Research Publications
Refereed Web of Science and/or Scopus Indexed International Journal Articles
Chen, J.V., Chung, H-Y., Widjaja, A.E., and Ha, Q-A. (2024). "An Empirical Investigation of Users' Continuance Intention to Use Cloud Storage Service for Organizational Use", International Journal of Business Information Systems. Volume 45, No. 2, pp. 254-277. ISSN Online:1746-0980; ISSN Print: 1746-0972. Publisher: Inderscience. [Scopus, SJR 2022: 0.35, Q2 in Information Systems and Management].
URL: https://www.inderscience.com/info/inarticle.php?artid=136402
Paper: https://www.researchgate.net/publication/352292161_An_Empirical_Investigation_of_Users_Continuance_Intention_to_Use_Cloud_Storage_Service_for_Organizational_Use
Widjaja, A.E.*, Harjono, N.J., Hery, Mitra, A.R., and Haryani, C.A. (2023). "Automated Class Attendance Management System using Face Recognition: An Application of Viola-Jones Method". Journal of Applied Data Science. Volume 4, No. 4, pp. 431-440. ISSN Online: 2723-6471. Publisher: Bright Publisher. [Scopus].
URL: https://bright-journal.org/Journal/index.php/JADS/article/view/133
Paper: https://bright-journal.org/Journal/index.php/JADS/article/view/133/122
Widjaja, A.E.*, Fransisko, A., Haryani, C.A., and Hery. (2023). "Text Mining Application with K-Means Clustering to Identify Sentiments and Popular Topics: A Case Study of The Three Largest Online Marketplaces in Indonesia".
Journal of Applied Data Science. Volume 4, No. 4, pp. 441-453. ISSN Online: 2723-6471. Publisher: Bright Publisher. [Scopus].
URL: https://bright-journal.org/Journal/index.php/JADS/article/view/134
Paper: https://bright-journal.org/Journal/index.php/JADS/article/view/134/123
Chen, J.V., Ha, Q-A., Widjaja, A.E.*, and Lien, N.T. (2023). "To Switch or Not to Switch? Investigating Users' Switching Behaviors of Fitness Wearable Devices", International Journal of Mobile Communications. Volume 21, No. 1, pp. 95-118. ISSN Online: 1741-5217; ISSN Print: 1470-949X. Publisher: Inderscience. [Web of Science, JCR SSCI 2022 impact factor: 1.522]
URL: https://www.inderscience.com/info/inarticle.php?artid=127385
Paper: https://www.researchgate.net/publication/366767541_To_switch_or_not_to_switch_Investigating_users'_switching_behaviours_of_fitness_wearable_devices
Chen, J.V., Ruangsri, S., Ha, Q-A., and Widjaja, A.E.* (2022). "An Experimental Study of Consumers' Impulse Buying Behaviour in Augmented Reality Mobile Shopping Apps", Behaviour & Information Technology. Volume 41, No. 15, pp. 3360-3381. ISSN Online: 1362-3001; ISSN Print: 0144-929X. Publisher: Taylor & Francis. [Web of Science, JCR SSCI impact factor 2021: 3.320; Scopus, SJR 2022: 0.94, Q1 in Social Sciences (miscellaneous)].
URL: https://www.tandfonline.com/doi/full/10.1080/0144929X.2021.1987523
Paper: https://www.tandfonline.com/eprint/MKSU97YUCGJRDKURIJV9/full?target=10.1080/0144929X.2021.1987523
Paper: https://www.researchgate.net/publication/355358513_An_experimental_study_of_consumers'_impulse_buying_behaviour_in_augmented_reality_mobile_shopping_apps
Chen, J.V., Cotimapruek, W., Ha, Q-A, and Widjaja, A.E.* (2021). "Investigating Female Customer's Impulse Buying in Facebook B2C Social Commerce: An Experimental Study", Contemporary Management Research (CMR). Volume 17, No. 2, pp. 65-96. ISSN: 1813-5498. Publisher: Academy of Taiwan Information Systems Research. [Scopus, SJR 2021: 0.27, Q3 in Management Information Systems].
URL: https://www.cmr-journal.org/article/view/20448
Paper: https://www.cmr-journal.org/article/view/20448/14126
Hiele, T.M., Widjaja, A.E.*, Chen, J.V., and Hariguna, T. (2019). "Investigating students' collaborative work to continue to use the social networking site",
International Journal of Advanced Trends in Computer Science and Engineering, Volume 8, No. 1.5, Special Issue, pp. 375-386. E-ISSN: 2278-3091. Publisher: World Academy of Research In Science and Engineering - WARSE [Scopus, SJR 2019: 0.13, Q4 in Computer Science (miscellaneous)].
URL Website: http://www.warse.org/IJATCSE/years/archivesDetiles/?heading=Volume%208%20No.%201.5%20(2019)%20S%20I&fbclid=IwAR0D88-W5cDInBfHMQjZOdrRVs-D2aYsHRY3qAllx23jOhLAeYLnT_PDjVs
Paper: http://www.warse.org/IJATCSE/static/pdf/file/ijatcse61815sl2019.pdf
Angelo, V., Hardjono, B., Panduwinata, F., Widjaja, A.E.*, and Mitra, A.R. (2019). "Android based chatting application using firebase for facilitating the communication among indonesian police force members", International Journal of Advanced Trends in Computer Science and Engineering, Volume 8, No. 1.5 Special Issue, pp. 347-354. E-ISSN: 2278-3091. Publisher: World Academy of Research In Science and Engineering - WARSE [Scopus, SJR 2019: 0.13, Q4 in Computer Science (miscellaneous)].
URL Website: http://www.warse.org/IJATCSE/years/archivesDetiles/?heading=Volume%208%20No.%201.5%20(2019)%20S%20I&fbclid=IwAR0D88-W5cDInBfHMQjZOdrRVs-D2aYsHRY3qAllx23jOhLAeYLnT_PDjVs
Paper: http://www.warse.org/IJATCSE/static/pdf/file/ijatcse57815sl2019.pdf
Widjaja, A.E., Chen, J.V., Sukoco, B.M., and Ha, Q-A. (2019). "Understanding Users’ Willingness to Put Their Personal Information on the Personal Cloud-Based Storage Applications: An Empirical Study". Computers in Human Behavior. Volume 91, pp. 167-185. DOI: https://doi.org/10.1016/j.chb.2018.09.034. ISSN: 0747-5632. Publisher: Elsevier, Netherlands [Web of Science, JCR SSCI 2017 impact factor: 3.536; Scopus, SJR 2019: 2.17, Q1 in Human-Computer Interaction Category].
URL Website: https://www.sciencedirect.com/science/article/pii/S0747563218304758?via%3Dihub
Paper: https://www.researchgate.net/publication/327896821_Understanding_Users'_Willingness_to_Put_Their_Personal_Information_on_the_Personal_Cloud-Based_Storage_Applications_An_Empirical_Study
Widjaja, A.E.*, Chen, J.V., and Gonchig, B. (2018). "Investigating Factors Affecting Central Bank Information Systems Success: The Case of the Central Bank of Mongolia". International Journal of Technology and Human Interaction. Volume 14, Issue 4, pp: 43-62. DOI: 10.4018/IJTHI.2018100103. ISSN: 1548-3908/1548-3916. Publisher: IGI Global, USA [Scopus, SJR 2018: 0.29, Q3 in Information Systems Category].
URL Website: https://www.igi-global.com/article/investigating-factors-affecting-central-bank-information-systems-success/209747
Chen, J.V., Widjaja, A.E.*, and Chen, B. (2017). "The relationships among environmental turbulence and socio-technical risk factors affecting project risks and performance in NPD project teams". International Journal of Sociotechnology and Knowledge Development. Volume 9, Issue 2, pp: 17-36. DOI: 10.4018/IJSKD.2017040102. ISSN: 1941-6253/1941-6261. Publisher: IGI Global, USA [Scopus, SJR 2017: 0.18, Q3 in Information Systems and Management Category].
URL Website: https://www.igi-global.com/article/the-relationships-among-environmental-turbulence-and-socio-technical-risk-factors-affecting-project-risks-and-performance-in-npd-project-teams/190307
Chen, J.V., Lu, I-H., Yen, D.C., and Widjaja, A.E. (2017). "Factors affecting the performance of internal control task team in high-tech firms". Information Systems Frontiers, Volume 19, Issue 4, pp:787-802. DOI: 10.1007/s10796-015-9621-y. ISSN:1387-3326/1572-9419. Publisher: Springer, Netherlands [Web of Science, JCR SCI 2017 impact factor: 3.232; Scopus, SJR 2017: 0.82, Q1 in Information Systems Category].
URL Website: http://link.springer.com/article/10.1007%2Fs10796-015-9621-y;
Paper: https://www.researchgate.net/publication/289685267_Factors_affecting_the_performance_of_internal_control_task_team_in_high-tech_firms
Widjaja, A.E.*, Chen, J.V., Ha, Q-A., and Lin, B. (2017). “Knowledge sharing in open source mobile applications project”. International Journal of Mobile Communications. Volume 15, No. 3, pp: 306-328. DOI:http://dx.doi.org/10.1504/IJMC.2017.10003254. ISSN:1741-5217/1470949X. Publisher: Inderscience, Switzerland [Web of Science, JCR SSCI 2017 impact factor:1.742; Scopus, SJR 2017: 0.67, Q1 in Computer Networks and Communications Category].
URL Website: http://www.inderscience.com/info/inarticle.php?artid=83464;
Paper: https://www.researchgate.net/publication/315931156_Knowledge_sharing_in_open_source_mobile_applications_project
Widjaja, A.E.*, Chen, J.V., and Hiele, T.M. (2016). "The effect of online participation in online learning course for studying trust in information and communication technologies". International Journal of Cyber Behavior, Psychology and Learning. Volume 6, Issue 3, pp: 79-93. DOI: 10.4018/IJCBPL.2016070106. ISSN: 2155-7136. Publisher: IGI Global,
USA [Scopus, SJR 2016: 0.21, Q3 in Education Category].
URL Website: http://www.igi-global.com/article/the-effect-of-online-participation-inonline-learning-course-for-studying-trust-in-information-andcommunication-technologies/160699
Chen, J.V., Su, B-C., and Widjaja, A.E. (2016). "Facebook C2C social commerce: A study of online impulsive buying". Decision Support Systems. Volume 83, Issue March 2016, pp: 57-69. DOI: doi:10.1016/j.dss.2015.12.008. ISSN:0167-9236. Publisher: Elsevier, Netherlands [Web of Science, JCR SCI 2016 impact factor: 3.222; Scopus, SJR 2016: 1.81, Q1 in Management Information Systems Category ].
URL Website: http://www.sciencedirect.com/science/article/pii/S0167923615002225;
Paper: https://www.researchgate.net/publication/289504144_Facebook_C2C_Social_Commerce_A_Study_of_Online_Impulse_Buying
Chen, J.V., Widjaja, A.E., and Yen, D.C. (2015). "Need for affiliation, need for popularity, self-esteem, and the moderating effect of big five personality traits affecting individuals' self disclosure on Facebook". International Journal of Human-Computer Interaction. Volume 31, Issue 11, pp: 815-831. DOI: 10.1080/10447318.2015.1067479. ISSN:1044-7318/1532-7590. Publisher: Taylor & Francis, United Kingdom [Web of Science, JCR SSCI 2015 impact factor: 1.260 ; Scopus, SJR 2015: 0.726, Q2 in Human-Computer Interaction Category]
URL Website: http://www.tandfonline.com/doi/abs/10.1080/10447318.2015.1067479?journalCode=hihc20
Paper: https://www.researchgate.net/publication/283438087_Need_for_Affiliation_Need_for_Popularity_Self-Esteem_and_the_Moderating_Effect_of_Big_Five_Personality_Traits_Affecting_Individuals%27_Self-Disclosure_on_Facebook
Chen, J.V., Yen, D.C., Pornpriphet, W., and Widjaja, A.E. (2015). "E-commerce web site loyalty: A cross cultural comparison". Information Systems Frontiers. Volume 17, Issue 6, pp:1283-1299. DOI: 10.1007/s10796-014-9499-0. ISSN: 1387-3326/1572-9419. Publisher: Springer, Netherlands [Web of Science, JCR SCI 2015 impact factor: 1.450; Scopus, SJR 2015: 0.696, Q2 in Information Systems Category ]
URL Website: http://link.springer.com/article/10.1007%2Fs10796-014-9499-0
Paper: https://www.researchgate.net/publication/271618442_E-commerce_web_site_loyalty_A_cross_cultural_comparison
Chen, J.V., Yen, D.C., Dunk, K., and Widjaja, A.E. (2015). "The impact of using kiosk on enterprise systems in service industry". Enterprise Information Systems. Volume 9, Issue 8, pp: 835-860. DOI: 10.1080/17517575.2013.867542. ISSN:1751-7575/1751-7583. Publisher: Taylor & Francis, United Kingdom [Web of Science, JCR SCI 2015 impact factor: 2.269; Scopus, SJR 2015: 1.064, Q1 in Information Systems and Management Category]
URL Website: http://www.tandfonline.com/doi/abs/10.1080/17517575.2013.867542#.VbeklPmqqko
Paper: https://www.researchgate.net/publication/271901137_The_impact_of_using_kiosk_on_enterprise_systems_in_service_industry
*Corresponding author
Non-Reputable Indexed International Journal
Sukmana, H.T., Widjaja, A.E., and Situmorang, H.J. (November 2022). "Game Theoretical-Based Logistic Costs Analysis: A Review", International Transactions on Artificial Intelligence, Volume 1, No. 1, pp. 43-61. e-ISSN 2963-1939 print ISSN 2963-6086. Publisher: Asosiasi Pendidikan Tinggi Informatika dan Komputer (APTIKOM). (Terindeks Copernicus)
URL: https://journal.pandawan.id/italic/article/view/166
Paper: https://journal.pandawan.id/italic/article/view/166/169
DOI: https://doi.org/10.34306/italic.v1i1.166
Melinda, V. and Widjaja, A.E. (November 2022). "Virtual Reality in Education", International Transaction on Educational Technology - ITEE, Volume 1, No. 1, pp. 68-72. e-ISSN 2963-1947 print ISSN 2963-6078. Publisher: Asosiasi Pendidikan Tinggi Informatika dan Komputer (APTIKOM). (Terindeks Copernicus)
URL: https://journal.pandawan.id/itee/article/view/194
Paper: https://journal.pandawan.id/itee/article/view/194/226
DOI: https://doi.org/10.34306/itee.v1i1.194
Hery, Haryani, C.A., Mitra, A.R., and Widjaja, A.E. (July 2022). "The Design of Microcontroller Based Early Warning Fire Detection System for Home Monitoring", International Journal of New Media Technology, Volume 9, No. 1, pp 6-12. e-ISSN 2581-1851 print ISSN 2355-0082. Publisher: Universitas Multimedia Nusantara (UMN). (Terakreditasi SINTA 4)
URL: https://ejournals.umn.ac.id/index.php/IJNMT/article/view/2405
Paper: https://ejournals.umn.ac.id/index.php/IJNMT/article/view/2405/1281
DOI: https://doi.org/10.31937/ijnmt.v9i1.2405
Haratua, J.A., Widjaja, A.E., Prasetya, K., and Hery (2021). "Web-based inventory application development for PT. Palugada Indonesia", International Journal of New Media Technology, Volume 8, No. 1, pp 70-78. e-ISSN 2581-1851 print ISSN 2355-0082. Publisher: Universitas Multimedia Nusantara (UMN). (Terakreditasi SINTA 4)
URL: https://ejournals.umn.ac.id/index.php/IJNMT/article/view/2063
Paper: https://ejournals.umn.ac.id/index.php/IJNMT/article/view/2063/1119
Pertiwi, L.B., Widjaja, A.E., and Chen, J.V. (2015). "Exploring team project performance in deploying cloud computing services: Case of Indonesia". International Journal of Commerce and Strategy. Volume 7, No. 4, PP: 219-250, Publisher: Taiwan Management Institute.
Paper: http://ijcs.topco-global.com/WebSite/Articles/Exploring%20Team%20Project%20Performance%20in%20Deploying%20Cloud%20Computing%20Services%20Case%20of%20Indonesia.pdf
Local/National Journal
Widjaja, A.E*., Gennady, E., Hery, Haryani, C.A., Prasetya, K., and Aribowo, A. (Mei 2024). "Pengembangan, Penyerahan, dan Pelatihan Sistem Informasi untuk Toko Sinar Terang di Kota Tangerang Selatan" GIAT Jurnal Teknologi Untuk Masyarakat, Universitas Atma Jaya Yogyakarta, Volume 3, No. 1, hal. 1-14. ISSN Print: 2829-6532, ISSN Online: 2829-8268.
URL Website: https://ojs.uajy.ac.id/index.php/giat/article/view/9139
Paper: https://ojs.uajy.ac.id/index.php/giat/article/view/9139/3522
Hery, Lukas, S., Hareva, D.H., Haryani, C.A., Widjaja, A.E., dan Tarigan, R.E. (Maret 2024). "Perancangan Sistem Pemesanan Makanan MYC UPH Menggunakan Fitur QR Code" Jurnal IKRA-ITH ABDIMAS Universitas Persada Indonesia Y.A.I., Volume 8, No. 1, Hal. 166-172. ISSN Print: 2654-5721, ISSN Online: 2654-7546. (Terakreditasi SINTA 6)
URL Website: https://journals.upi-yai.ac.id/index.php/IKRAITH-ABDIMAS/article/view/3183
Paper: https://journals.upi-yai.ac.id/index.php/IKRAITH-ABDIMAS/article/view/3183/2344
DOI: https://doi.org/10.37817/ikra-ithabdimas.v8i1.3183
Haryani, C.A., Florencia, G., Widjaja, A.E., Hery, and Ferdinand, F.V. (Desember 2023). "Sentiment Analysis of User Satisfaction towards Sales Promotion of Gojek Application Service using Support Vector Machine (SVM)". Ultima Infosys: Jurnal Sistem Informasi. Volume 14, No. 2, hal. 66-70. ISSN Print: 2085-4579, ISSN Online: 2549-4015. (Terakreditas SINTA 3)
URL Website: https://ejournals.umn.ac.id/index.php/SI/article/view/3398
Paper: https://ejournals.umn.ac.id/index.php/SI/article/view/3398/1453
DOI: https://doi.org/https://doi.org/10.31937/si.v14i2.3398
Haryani, C.A., Wijaya, C.M., Widjaja, A.E., Aribowo, A., Hery, Prasetya, K. (November, 2023). "Pemanfaatan Customer Relationship Management (CRM) dalam Pengembangan Sistem Informasi Gereja: Studi Kasus Glow Teens" GIAT Jurnal Teknologi Untuk Masyarakat, Volume 2, No. 2, Hal. 166 - 176. ISSN Print: 2829-6532, ISSN Online: 2829-8268.
URL Website: https://ojs.uajy.ac.id/index.php/giat/article/view/7227
Paper: https://ojs.uajy.ac.id/index.php/giat/article/view/7227/3364
DOI: https://doi.org/10.24002/giat.v2i2.7227
Widjaja, A.E., Yumma, S., dan Ashar, A. (September 2023) "Model Manajemen Pemasaran Strategis Baru untuk Kekhususan E-Commerce dalam Rantai Pasokan". Jurnal MENTARI: Manajemen Pendidikan dan Teknologi Informasi, Volume 2, No. 1, Hal. 65-72. P-ISSN: 2963-4423, E-ISSN: 2963-4148.
URL Website: https://journal.pandawan.id/mentari/article/view/369
Paper: https://journal.pandawan.id/mentari/article/view/369/325
DOI: https://doi.org/10.33050/mentari.v2i1.369
Hery, Tanamal, L.C., Haryani, C.A., Mitra, A.R., dan Widjaja, A.E. (Juli 2023) "Pengembangan Sistem Informasi Gereja Protestan di Indonesia Bagian Barat Menara Kasih". Journal Information System Development (ISD), Volume 8, No. 2. Hal. 98-114. ISSN Print: 2477-863X, ISSN Online: 2528-5114.
URL Website: https://ejournal-medan.uph.edu/index.php/isd/article/view/654
Paper: https://ejournal-medan.uph.edu/index.php/isd/article/view/654/395
DOI: http://dx.doi.org/10.19166/isd.v8i2.654
Haryani, C.A., Chan, F., Widjaja, A.E., Hery, Prasetya, K., dan Aribowo, A. (Mei 2023). "Pengembangan, Penyerahan, dan Pelatihan Sistem Informasi Restoran Berbasis Web untuk Restoran Tachia Jakarta" GIAT Jurnal Teknologi Untuk Masyarakat, Volume 2, No. 1, Hal. 13 - 25. ISSN Print: 2829-6532, ISSN Online: 2829-8268.
URL Website: https://ojs.uajy.ac.id/index.php/giat/article/view/7192
Paper: https://ojs.uajy.ac.id/index.php/giat/article/view/7192/3025
DOI: https://doi.org/10.24002/giat.v2i1.7192
Hery, Luih, J.R., Haryani, C.A., dan Widjaja, A.E. (Oktober 2022) "Penerapan Teknologi QR Code Berbasis Web pada Sistem Manajemen Invetaris di Gudang PT. XYZ". Technomedia Journal (TMJ), Volume 7, No. 2. Hal. 66-79. ISSN Print: 2620-3383, ISSN Online: 2528-6544. (Terakreditasi SINTA 3)
URL Website: https://ijc.ilearning.co/index.php/TMJ/article/view/1903
Paper: https://ijc.ilearning.co/index.php/TMJ/article/view/1903/639
DOI: https://doi.org/10.33050/tmj.v7i2%20Oktober.1903
Margareta, D., Haryani, C.A., Widjaja, A.E., dan Hery. (Juli 2022) "Pengembangan Sistem Manajemen dan Perhitungan Harga Pokok Produksi Menggunakan Metode Full Costing Berbasis Web pada Usaha Kue Grandy". Journal Information System Development (ISD), Volume 7, No. 2. Hal. 1 - 6. ISSN Print: 2477-863X, ISSN Online: 2528-5114. (Terakreditasi SINTA 5)
URL Website: https://ejournal-medan.uph.edu/index.php/isd/article/view/546
Paper: https://ejournal-medan.uph.edu/index.php/isd/article/download/546/305
DOI: http://dx.doi.org/10.19166/isd.v7i2.546
Widjaja, A.E., Prasetya, K., Putra, A.S., Haryani, C.A., Hery, dan Saraswati, I.E.S. (Mei 2022) "Pengenalan dan Pelatihan Dasar Algoritma Pemrograman Menggunakan Aplikasi Thunkable bagi Siswa SD St. Theresia Jakarta" GIAT Jurnal Teknologi Untuk Masyarakat, Volume 1, No. 1, Hal. 12 - 24. ISSN Print: 2829-6532, ISSN Online: 2829-8268.
URL Website: https://ojs.uajy.ac.id/index.php/giat/article/view/5851
Paper: https://ojs.uajy.ac.id/index.php/giat/article/view/5851/2598
DOI: https://doi.org/10.24002/giat.v1i1.5851
Haryani, C.A., Yuwono, D.K., Hery, Widjaja, A.E., Wibowo, A., dan Mitra, A.R. (Mei 2022) "Pengembangan dan Pelatihan Sistem Informasi Persediaan Bahan Baku di PT. Maju Bersama Persada Dayamu (MBPD)" GIAT Jurnal Teknologi Untuk Masyarakat, Volume 1, No. 1, Hal. 25 - 36. ISSN Print: 2829-6532, ISSN Online: 2829-8268.
URL Website:https://ojs.uajy.ac.id/index.php/giat/article/view/5852
Paper: https://ojs.uajy.ac.id/index.php/giat/article/view/5852/2599
DOI:https://doi.org/10.24002/giat.v1i1.5852
Hery, Kaheja, A.M., Haryani, C.A., dan Widjaja, A.E. (Mei 2022) "Pengembangan dan Penelitian Sistem Informasi Manajemen Produksi (Mitra: PT. Maju Bersama Persada (MBPD) Tangerang)" GIAT Jurnal Teknologi Untuk Masyarakat, Volume 1, No. 1, Hal. 37 - 47. ISSN Print: 2829-6532, ISSN Online: 2829-8268.
URL Website:https://ojs.uajy.ac.id/index.php/giat/article/view/5855
Paper: https://ojs.uajy.ac.id/index.php/giat/article/view/5855/2600
DOI: https://doi.org/10.24002/giat.v1i1.5855
Hery, Darmawan, W., Haryani, C.A., dan Widjaja, A.E. (April 2022) "Perancangan Sistem Profiling Kompetensi Mahasiswa untuk Portofolio Mahasiswa di Universitas Pelita Harapan" Jurnal Ilmiah Matrik, Volume 24, No. 1, Hal. 81-88. ISSN Print: 1411-1624, ISSN Online: 2621-8089. (Terakreditasi SINTA 5)
URL Website: https://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/1688
Paper: https://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/1688/891
DOI: https://doi.org/10.33557/jurnalmatrik.v24i1.1688
Lisia, V., Widjaja, A.E., Mitra, A.R., Haryani, C.A., dan Hery. (Januari 2022) "Visualisasi Data Bencana Geologi di Indonesia Berbasis Web". Journal Information System Development (ISD), Volume 7, No. 1. Hal. 9 - 27. ISSN Print: 2477-863X, ISSN Online: 2528-5114. (Terakreditasi SINTA 5)
URL Website: https://ejournal.medan.uph.edu/index.php/isd/article/view/485
Paper: https://ejournal.medan.uph.edu/index.php/isd/article/download/485/286
Yudini, A.P., Haryani, C.A., Widjaja, A.E., Hery, dan Suryasari. (Desember 2021) "Academic Information Systems and Recommendations using AHP at SMA Islamic Center Tangerang". Utimatics: Jurnal Teknik Informatika, Volume 13, No. 2. Hal. 127-133. e-ISSN: 2581-186X, p-ISSN: 2085-4552. (Terakreditasi SINTA 3)
URL Website: https://ejournals.umn.ac.id/index.php/TI/article/view/2337
Paper: https://ejournals.umn.ac.id/index.php/TI/article/view/2337/1210
DOI: https://doi.org/10.31937/ti.v13i2.2337
Amalia, A.M., Widjaja, A.E., Hery, dan Haryani, C.A. (Juli 2021) "Aplikasi Marketplace Berbasis Website untuk Pencarian Jasa Musisi". Journal Information System Development (ISD), Volume 6, No. 2, Hal. 18-32. ISSN Print: 2477-863X, ISSN Online: 2528-5114. (Terakreditasi SINTA 5)
URL Website: https://ejournal.medan.uph.edu/index.php/isd/article/view/445
Paper: https://ejournal.medan.uph.edu/index.php/isd/article/download/445/258
Rosanna, N., Hery, dan Widjaja, A.E. (2021). "Designing Information Systems for Transaction and Production Data Management A&N Convection". IAIC Transactions on Sustainable Digital Innovation, Volume 2, No. 2, Hal. 120-129. ISSN Print: 2686-6285, e-ISSN: 2715-0461. (Terindeks Copernicus)
URL Website: https://aptikom-journal.id/index.php/itsdi/article/view/390
Paper: https://aptikom-journal.id/index.php/itsdi/article/view/390/162
DOI: https://doi.org/10.34306/itsdi.v2i2.390
Widjaja, A.E., Hery, dan Hareva, D.H. (2021). "The Office Room Security System Using Face Recognition Based on Viola-Jones Algorithm and RBFN". Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi - INTENSIF, Volume 5, No. 1, Hal. 1 - 12. ISSN: 2580-409X, e-ISSN: 2549-6824. (Terakreditasi SINTA 2).
URL Website: https://ojs.unpkediri.ac.id/index.php/intensif/article/view/14435
Paper: https://ojs.unpkediri.ac.id/index.php/intensif/article/view/14435/1964
DOI: https://doi.org/10.29407/intensif.v5i1.14435
Hery, Nathanael, J., dan Widjaja, A.E. (2021). "Pengembangan Sistem Informasi Gereja Berbasis Web untuk Mendukung Kegiatan Jemaat Gereja Kristen XYZ". Journal Information System Development (ISD), Volume 6, No. 1, Hal. 25 - 33. ISSN Print: 2477-863X, ISSN Online: 2528-5114. (Terakreditasi SINTA 5)
URL Website: https://ejournal.medan.uph.edu/index.php/isd/article/view/430
Paper: https://ejournal.medan.uph.edu/index.php/isd/article/download/430/239
Prasetya, K., Hery, Widjaja, A.E., dan Suryasari. (2020). "Perancangan Sistem E-Procurement CV. W3 Indonesia". Jurnal Pekommas, Volume 5, No. 2, Hal. 185-194. e-ISSN: 2502-1907. (Terakreditasi SINTA 2).
URL Website: https://jurnal.kominfo.go.id/index.php/pekommas/article/view/2050207
Paper: https://jurnal.kominfo.go.id/index.php/pekommas/article/view/2050207/pdf
DOI: http://dx.doi.org/10.30818/jpkm.2020.2050207
Wibowo, T.J., Suryasari, Aribowo, A., dan Widjaja, A.E. (2019). "Sistem Informasi Penunjang Proses Pemesanan dan Desain Kue pada Toko Kue Artisan Online Berbasis Web". Jurnal Ultima Infosys, Volume 10, No. 1. ISBN: 2085-4579. (Terakreditasi SINTA 4)
URL Website: http://ejournals.umn.ac.id/index.php/SI/article/view/1048
Paper: https://ejournals.umn.ac.id/index.php/SI/article/view/1048/807
Researchgate: https://www.researchgate.net/publication/335689583_Sistem_Informasi_Penunjang_Proses_Pemesanan_dan_Desain_Kue_Pada_Toko_Kue_Artisan_Online_Berbasis_Web
DOI: https://doi.org/10.31937/si.v10i1.1048
Chendra, A., Simanjuntak, K.G., Widjaja, A.E., dan Suryasari (2019). "Pengembangan Sistem Informasi untuk Memfasilitasi Proses Adopsi Anjing Berbasis Web". Jurnal Ilmiah Matrik, Volume 21 (April), No 1. ISSN: 1411-1624. (Terakreditasi SINTA 5).
Paper telah dipresentasikan pada Seminar Nasional Riset dan Teknologi Terapan IX (RITEKTRA 2019), Universitas Katolik Musi Charitas, Palembang, Sumatera Selatan, 08-09 Agustus 2019.
URL Website: http://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/515
Paper: https://www.researchgate.net/publication/334769286_PENGEMBANGAN_SISTEM_INFORMASI_UNTUK_MEMFASILITASI_PROSES_ADOPSI_ANJING_BERBASIS_WEB
Certificate: https://drive.google.com/open?id=14VKzYv6gj5K2RWRQkcZ2BY1ZYRsyx1gi
DOI: https://doi.org/10.33557/jurnalmatrik.v21i1.515
Laurentia, A.P., Simanjuntak, K.G., Prasetya, K., dan Widjaja, A.E. (2019). "Pengembangan Sistem Informasi Reservasi dan Customer Relation Mangement pada Restoran 3 Wise Monkeys". Jurnal Ilmiah Matrik, Volume 21 (April), No. 1. ISSN: 1411-1624. (Terakreditasi SINTA 5).
Paper telah dipresentasikan pada Seminar Nasional Riset dan Teknologi Terapan IX (RITEKTRA 2019), Universitas Katolik Musi Charitas, Palembang, Sumatera Selatan, 08-09 Agustus 2019.
URL Website: http://journal.binadarma.ac.id/index.php/jurnalmatrik/article/view/517
Paper: https://www.researchgate.net/publication/334765057_PENGEMBANGAN_SISTEM_INFORMASI_RESERVASI_DAN_CUSTOMER_RELATION_MANAGEMENT_PADA_RESTORAN_3_WISE_MONKEYS
Certificate: https://drive.google.com/open?id=1dOCe45UbTIzSAQ2bNwAMkTfN1R3FWj60
DOI: https://doi.org/10.33557/jurnalmatrik.v21i1.517
Christopher, R., Hery, dan Widjaja, A.E., dan Suryasari (2019). "Pengembangan aplikasi manajemen rekrutmen karyawan menggunakan metode profile matching". Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi - INTENSIF, Volume 3, No. 1. e-ISSN: 2549-6824. (Terakreditasi SINTA 3).
URL Website: http://ojs.unpkediri.ac.id/index.php/intensif/article/view/12588
Paper: https://ojs.unpkediri.ac.id/index.php/intensif/article/view/12588/1079
Researchgate: https://www.researchgate.net/publication/331274596_Pengembangan_Aplikasi_Manajemen_Rekrutmen_Karyawan_Menggunakan_Metode_Profile_Matching
DOI: https://doi.org/10.29407/intensif.v3i1.12588
Desanti, R.I., Supit, C.F., dan Widjaja, A.E., (2017). "Aplikasi perekrutan dan penilaian karyawan berbasis web pada PT. XYZ". Jurnal Ultima Infosys, Volume 8, No. 2. ISBN: 2085-4579. (Terakreditasi SINTA 4)
URL Website: http://ejournals.umn.ac.id/index.php/SI/article/view/616
Paper: https://ejournals.umn.ac.id/index.php/SI/article/view/616/599
Researchgate: https://www.researchgate.net/publication/324175237_Aplikasi_Perekrutan_dan_Penilaian_Karyawan_Berbasis_Web_Pada_PT_XYZ
DOI: https://doi.org/10.31937/si.v8i2.616
Widjaja, A.E. & Prawiryo, S. (2010). "Aplikasi penanganan oracle retail integration bus message error pada PT. Matahari Putra Prima, Tbk". Jurnal Ilmiah Ilmu Komputer (Journal of Computer Science), Volume 7, No. 1. ISSN:1412-9523.
URL Website: http://dspace.library.uph.edu:8080/jspui/bitstream/123456789/1022/4/jiik-07-01-2010-aplikasi_penanganan-oracle_retail.pdf
Paper: https://www.researchgate.net/publication/325116270_Aplikasi_penanganan_oracle_retail_integration_bus_message_error_pada_PT_Matahari_Putra_Prima_Tbk
Book Chapter
Widjaja, A.E. & Chen, J.V. (2018). "Online Learners' Motivation in Online Learning: The Effect of Online Participation, Social Presence, and Collaboration", Learning Technologies in Education: Issues and Trends. Murniati, Cecilia T., Sanjaya, Ridwan (Eds). Soegijapranata Catholic University, Semarang, Indonesia. ISBN: 978-602-6865-40-3.
URL Website: http://repository.unika.ac.id/23208/1/BOOK%20LEARNING%20TECHNOLOGIES%20IN%20EDUCATION.pdf#page=80
Research Gate: https://www.researchgate.net/publication/321992187_Online_Learners%27_Motivation_in_Online_Learning_The_Effect_of_Online-Participation_Social_Presence_and_Collaboration
Certificate: https://drive.google.com/open?id=1bZZFUY6TFdn5HI3omgevbHe6xGyYWM1x
Chen, J.V. & Widjaja, A.E. (2011). "Various Supporting Devices in Ubiquitous Learning", Ubiquitous Learning: A Survey of Applications, Research, and Trends. Kidd, Terry T., Chen, Irene (Eds). Information Age Publishing, USA. ISSN: Paperback 978-1-61735-435-9, Hardcover 978-1-61735-436-6, eBook 9781617354373.
URL Website: http://www.infoagepub.com/products/Ubiquitous-Learning
International Conference Proceedings (Scopus Indexed)
Haryani, C.A., Liming, B., Widjaja, A.E., and Hery. (March 2024). "Development of Case Base Reasoning Recommendation and Sound and Lighting Rental System". 2023 11th International Conference on Cyber and IT Service Management (CITSM), Makassar, Indonesia.
URL Website: https://ieeexplore.ieee.org/document/10455388/authors#authors
Certificate: X
Lioe, K.S., Widjaja, A.E., Hery, and Haryani, C.A. (November 2022). "The Development and Experimental Study on Social Networking Website with a Matchmaking System for Knowledge Exchange". ICTIIA 2022 Proceedings of the First International Conference on Technology Innovation and Its Applications, September 23, 2022, Virtual.
URL Website: https://ieeexplore.ieee.org/document/9935917
Certificate: https://drive.google.com/file/d/1GTtBI72-2Fv4eLUU-I2ndPyGqQ5Gnwa8/view
Haryani, C.A., Daicy, W., Widjaja, A.E., Aribowo, A., Prasetya, K., and Hery (July 2022). "Educational data mining: The application in the university's feedback survey analysis using classification and clustering techniques". ICOSTECH 2022 Proceedings of the International Conference on Sciences and Technology, February 03 - 04, 2022, Virtual.
URL Website: https://ieeexplore.ieee.org/document/9829148
Cerfiticate: https://drive.google.com/file/d/1toA5lT7mExuDy69TlxZCKoTReXiHsyLp/view
Huang J, Hardjono, B., Panduwinata, F., Mitra, A.R., and Widjaja, A.E. (2021). "Integrating mobile vehicle CCTV data to aid traffic modelling process".
ICMIS 2021 Proceedings of the 3rd International Conference on Management Information Systems, August 27-29 2021, Virtual.
URL Website: ?
Paper: ?
Certificate: https://drive.google.com/file/d/1ew7bdHmoU5gNhqY8Rmn8ytOt3fAv1d3x/view
Hiele, T.M., Widjaja, A.E., and Haryani, C.A. (2019). "Social network users switching platforms behaviour: A proposal for research explorations using a mixed method approach". ICITISEE 2019 Proceedings of the 4th International Conference on Information Technology, Information System, and Electrical Engineering, November 20-21 2019, Yogyakarta, Indonesia.
URL Website: https://ieeexplore.ieee.org/document/9003951
Paper: https://www.researchgate.net/publication/340400551_Social_Network_Users_Switching_Platforms_Behaviour_A_Proposal_for_Research_Explorations_using_a_Mixed_Method_Approach
Certificate: https://drive.google.com/file/d/1amJXTkqwTliHd7lmp8VoMLH_Spghti2O/view
Purba, J.T., Hery, and Widjaja, A.E. (2019). "E-Commerce implementation in supportingg business services strategy (case study at petshop gifaro evidence)". ICOLSSTEM 2019 Proceedings of the 1st International Conference on Lesson Study of Science Technology Engineering and Mathematics, November 16-17 2019, Jember, Indonesia.
URL Website: https://iopscience.iop.org/article/10.1088/1742-6596/1563/1/012012
Paper: https://iopscience.iop.org/article/10.1088/1742-6596/1563/1/012012/pdf
Certificate: https://drive.google.com/file/d/1V8Rg7NwcjAoqfo2pwWojU-UV669I5Q5Y/view
Hardjono, H., Rhizma, M.G.A., Widjaja, A.E., Tjahyadi, H., Jodipuro, M.J. (2019). "Vehicle counting evaluation on low-resolution images using software tools". ICICM 2019 Proceedings of the 9th International Conference on Information and Communication and Management, pp. 89-94. August 23-26 2019, Prague, Czech Republic.
URL Website: https://dl.acm.org/citation.cfm?id=3357453&dl=ACM&coll=DL#URLTOKEN#
Paper: https://www.researchgate.net/publication/336457637_Vehicle_Counting_Evaluation_on_Low-resolution_Images_using_Software_Tools
Aileen, Hery, Widjaja, A.E., Purba, J.T., and Simanjuntak, K.G. (2018). "Recording application with managerial prediction features for Skenoo business". Tarumanagara International Conference on the Application of Technology and Engineering, 22-23 November 2018, Jakarta, Indonesia.
URL Website: https://iopscience.iop.org/article/10.1088/1757-899X/508/1/012133
Paper: https://www.researchgate.net/publication/332831275_Recording_application_with_managerial_prediction_features_for_skenoo_business
Certificate: https://drive.google.com/open?id=16kjC-MBwpKBzpDhXpa-LNLhi3LRTvkrm
Hardjono, H., Tjahyadi, H., Rhizma, M.G.A., Widjaja, A.E., Kondorura, R., and Halim, A.M. (2018). "Vehicle counting quantitative comparison using background subtraction, viola jones and deep learning methods". 2018 IEEE 9th Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON), 1-3 November 2018, Vancouver, Canada.
URL Website: https://ieeexplore.ieee.org/document/8615085/authors#authors
Paper: https://www.researchgate.net/publication/330475753_Vehicle_Counting_Quantitative_Comparison_Using_Background_Subtraction_Viola_Jones_and_Deep_Learning_Methods
Hardjono, B., Tjahyadi, H., and Widjaja, A. E., and Rhizma, M.G.A. (2017). "Vehicle travel distance and time prediction using virtual detection zone and CCTV data". 2017 IEEE 17th International Conference on Communication Technology (ICCT), 27 - 30 October 2017, Chengdu, China. DOI: 10.1109/ICCT.2017.8359947.
URL Website: https://ieeexplore.ieee.org/document/8359947/
Paper: https://www.researchgate.net/publication/324244985_Vehicle_Travel_Distance_and_Time_Prediction_Using_Virtual_Detection_Zone_and_CCTV_Data
Widjaja, A.E. and Tarigan, R.E. (2017). "Factors affecting procrastination in the virtual teams: An experimental research approach based on the theory of planned behavior ". The 4th International Conference on New Media Studies (CONMEDIA 2017), 08-10 November 2017, Yogyakarta, Indonesia. DOI: 10.1109/CONMEDIA.2017.8266033.
URL Website: http://ieeexplore.ieee.org/document/8266033/
Paper: https://www.researchgate.net/publication/322646518_Factors_affecting_procrastination_in_the_virtual_teams_An_experimental_research_approach_based_on_the_theory_of_planned_behavior
Certificate: https://drive.google.com/open?id=16IoZAkiX-ICle8Bia-UgCAROd7L60JT6
Widjaja, A.E., (2017). "Virtual team stress experiment proposal: Investigating the effect of cohesion, challenge, and hindrance on knowledge sharing, satisfaction, and performance". In: Uden, L., Lu W., Ting IH. (eds) Knowledge Management in Organizations. KMO 2017, August 21st - 24th, 2017, Beijing China. Communications in Computer and Information Science, Vol 731. Publisher: Springer, Cham [Scopus, SJR 2016: 0.16, Q3 in Computer Science (Miscellaneous) Category]
URL Website: https://link.springer.com/chapter/10.1007/978-3-319-62698-7_5
Paper: https://www.researchgate.net/publication/318342444_Virtual_Teams_Stress_Experiment_Proposal_Investigating_the_Effect_of_Cohesion_Challenge_and_Hindrance_on_Knowledge_Sharing_Satisfaction_and_Performance
Certificate: https://drive.google.com/open?id=1hzFRfCVdqI3Xg8oPToRVp9BX00ozlSAy
International Conference Proceedings - Non Indexed
Widjaja, A.E., Capistrano, E.P. and Ha, Q-A. (2020). "The effect of trust seals, information disclosure, and gender on customers' trust and willingness to disclose personal information on small B2C E-commerce website". ICEBE 2020 Proceedings of the 3rd International Conference of Economics Business and Entrepreneurship, October 1 2020, Virtual.
URL Website: https://eudl.eu/doi/10.4108/eai.1-10-2020.2304705
Paper: https://eudl.eu/pdf/10.4108/eai.1-10-2020.2304705
Certificate: https://drive.google.com/file/d/14g_0AQWWGYohptc-hQvpPvuyzK1edrI-/view
Haryani, C.A., Hery, and Widjaja, A.E., and Purba, J.T. (2018). "Migration application from waterfall to agile environments for effectiveness and efficiency strategy". The 1st International Conference on Computer Science and Engineering Technology (ICCSET 2018), 25 October 2018, Kudus, Jawa Tengah, Indonesia.
URL Website: http://eudl.eu/doi/10.4108/eai.24-10-2018.2280544
Paper: https://www.researchgate.net/publication/328654247_Migration_Application_from_Waterfall_to_Agile_Environments_for_Effectiveness_and_Efficiency_Strategy
Certificate: https://drive.google.com/file/d/1G9shWpMAsD9CsDYRr7eNzNmTVZ8GmgOf/view
Tan, J.D., Purba, J.T., dan Widjaja, A.E. (2018). "Financial technology as an innovation strategy for digital payment services in the millenial generation". Advances in Social Science, Education and Humanities Research, Vol. 292. 1st Aceh Global Conference (AGC 2018), 17-18 October 2018, Banda Aceh, Indonesia.
URL Website: https://www.atlantis-press.com/proceedings/agc-18/55911072
Paper: https://www.researchgate.net/publication/330358536_Financial_Technology_as_an_Innovation_Strategy_for_Digital_Payment_Services_in_the_Millenial_Generation_1
Widjaja, A.E., Tarigan, R.E., dan Simanjuntak, K.G. (2017). "Investigating factors influencing consumers' impulse purchase behavior: A case study of Daiso's consumers". Proceedings of the 2nd International Conference on Accounting, Management, and Economics (ICAME 2017), October 09th -10th 2017, Makassar, Sulawesi Selatan, Indonesia.
Paper: https://www.researchgate.net/publication/320443610_Investigating_Factors_Influencing_Consumers%27_Impulse_Purchase_Behavior_A_Case_Study_of_Daiso%27s_Consumers
Chen, J.V., Kuritsyn, G., Ha, Q-A., and Widjaja, A.E. (2016). "The impacts of service quality on continuance intention to use video surveillance-as-a-service". Proceedings of 47th Decision Sciences Institute (DSI 2016), November 19th -22nd, 2016, Austin, Texas, USA.
Paper: https://www.researchgate.net/publication/316454476_The_impacts_of_Service_Quality_on_Continuance_Intention_to_use_Video_Surveillance-as-a-Service
Widjaja, A.E., Chen, J.V., and Hiele, T.M. (2014). "Online consumer ethnocentrism and international social media marketing". Proceedings of The Second Taiwan Summer Workshop on Information Management (TSWIM 2014), July 1st – 3rd 2014, Kaohsiung, Taiwan.
Paper: https://www.researchgate.net/publication/317660060_Online_Consumer_Ethnocentrism_and_International_Social_Media_Marketing
Widjaja, A.E,. & Chen, J.V. (2012). "Stress in virtual team vs. face-to-face team: Is working in virtual team more stressful than face-to-face team?". Proceedings of 43rd Decision Sciences Institute (DSI 2012), November 17th - 20th 2012, San Francisco, CA, USA.
Paper: https://www.researchgate.net/publication/300166239_STRESS_IN_VIRTUAL_TEAM_VS_FACE-TO-FACE_TEAM_IS_WORKING_IN_VIRTUAL_TEAM_MORE_STRESSFUL_THAN_FACE-TO-FACE_TEAM
Widjaja, A.E., & Chen, J.V. (2012). "Using cloud computing service: A perspective from users' information security, privacy concern, and trust". Proceedings of 43rd Decision Sciences Institute (DSI 2012), November 17th - 20th 2012, San Francisco, CA, USA. (Distinguished Best Paper Award in Information Technology Track)
URL: https://decisionsciences.org/wp-content/uploads/2019/06/p584085.pdf
Paper: https://www.researchgate.net/publication/300164386_USING_CLOUD_COMPUTING_SERVICE_A_PERSPECTIVE_FROM_USERS%27_INFORMATION_SECURITY_PRIVACY_CONCERN_AND_TRUST
Su, B-C., Chen, J.V., and Widjaja, A.E. (2012). "IT leaders intention in supporting green IT initiatives through the use of cloud computing in organizations: Integration of theory of planned behavior and technology-orientation-environment framework". Proceedings of 22nd Annual Meeting of International Conference on The Pacific Rim Management, July 12th – 14th 2012, Rosemead, CA, USA.
Paper: https://www.researchgate.net/publication/300166313_IT_LEADERS_INTENTION_IN_SUPPORTING_GREEN_IT_INITIATIVES_THROUGH_THE_USE_OF_CLOUD_COMPUTING_IN_ORGANIZATIONS_INTEGRATION_OF_THEORY_OF_PLANNED_BEHAVIOR_AND_TECHNOLOGY-ORGANIZATION-ENVIRONMENT_FRAMEWORK
Widjaja, A.E. (2011). "Corporate social responsibility (CSR) and its current practices in Indonesia: CSR practices in three large Indonesian companies". Proceedings of 21st Annual Meeting of International Conference on The Pacific Rim Management, July 9th – 11th 2011, Tainan, Taiwan.
Paper: https://www.researchgate.net/publication/300166827_Corporate_Social_Responsibility_CSR_and_Its_Current_Practices_in_Indonesia
National Conference Proceedings
Tarigan, R.E., Florencia, G., Cahyadi, V., dan Widjaja, A.E. (2023). "Model Penerapan Supply Chain Management terhadap Kinerja dan Daya Saing Perusahaan". Proceeding 6th National Conference Business, Management, and Accounting (NCBMA 2023), Universitas Pelita Harapan, 31 Mei 2023, Tangerang.
URL Website:https://ojs.uph.edu/index.php/NCBMA/article/view/7115
Paper: https://ojs.uph.edu/index.php/NCBMA/article/download/7115/3260
Certificate:
Widjaja, A.E., Haryani, C.A., dan Hery (2020). "Quo Vadis Perkembangan Mobile Payment di Indonesia?: Sebuah Kajian Pustaka, Analisa Pasar, dan Strategi Keunggulan Kompetitif". Seminar Nasional Perbanas Institute 2020, 11 Maret 2020, Jakarta.
URL Website: http://snap.perbanas.id/
Book of Abstract: http://snap.perbanas.id/wp-content/uploads/2020/03/Book-of-Abstracts-SNAP-2020.pdf
Paper: https://www.researchgate.net/publication/346302037_QUO_VADIS_PERKEMBANGAN_MOBILE_PAYMENT_DI_INDONESIA_SEBUAH_KAJIAN_PUSTAKA_ANALISA_PASAR_DAN_STRATEGI_KEUNGGULANKOMPETITIF
Certificate: https://drive.google.com/file/d/1TD0M-2yrEeTUqgNk9ysRW54Ornvh5IvB/view
Hartono, C.P., Widjaja, A.E., dan Suryasari (2019). "Pengembangan Website Pencarian Kerja untuk Career Center Universitas Pelita Harapan". The 4th Conference on Information Technology, Information System, and Electrical Engineering (CITISEE) 2019, 16 November 2019, Purwokerto, Jawa Tengah.
URL Website: http://citisee.amikompurwokerto.ac.id/
Paper: http://citisee.amikompurwokerto.ac.id/assets/proceedings/paper/3_Chistopher_CITISEE_2019.pdf
Certificate: https://drive.google.com/open?id=1m2MIcGWFkfOsAoA6iOKBFcn7tSf7RJtW
Tatu, S.E.G., Widjaja, A.E., dan Suryasari (2019). "Pengembangan Sistem Informasi Manajemen dan Reservasi Hotel Ranaka berbasis Website". The 6th Industrial Engineering Conference (IDEC - ISSN: 2579-6429) 2019, 02 Mei 2019, Surakarta, Jawa Tengah.
URL Website: https://idec.ft.uns.ac.id/
Paper: https://www.researchgate.net/publication/333420597_Pengembangan_Sistem_Informasi_Manajemen_dan_Reservasi_Hotel_Ranaka_Berbasis_Web
Certificate: https://drive.google.com/open?id=12peu-OxBBvqoIikKic5QcYGXaOIVkV0v
Liyanto, l.H.A., Widjaja, A.E., dan Hery (2019). "Pengembangan Aplikasi Pengelolaan Kartu Rencana dan Hasil Studi Mahasiswa Berbasis Website pada STIKes Citra Husada Mandiri Kupang". The 6th Industrial Engineering Conference (IDEC - ISSN: 2579-6429), 02 Mei 2019, Surakarta, Jawa Tengah.
URL Website: https://idec.ft.uns.ac.id/
Paper: https://www.researchgate.net/publication/333420716_Aplikasi_Pengelolaan_Kartu_Rencana_dan_Hasil_Studi_Mahasiswa_Berbasis_Web_pada_STIKes_Citra_Husada_Mandiri_Kupang
Certificate: https://drive.google.com/open?id=12peu-OxBBvqoIikKic5QcYGXaOIVkV0v
Hery, Widjaja, A.E., dan Suryasari (2018). "Perancangan sistem keamanan untuk informasi perusahaan dengan kombinasi algoritma caesar cipher dan zig-zag cipher". Seminar Nasional Teknologi Industri (SNTI 2018), 08 Agustus 2018, Jakarta.
URL Website: http://www.snti.trisakti.ac.id/home
Paper: https://www.researchgate.net/publication/327136370_Perancangan_sistem_keamanan_untuk_informasi_perusahaan_dengan_kombinasi_algoritma_caesar_cipher_dan_zig-zag_cipher
Certificate: https://drive.google.com/open?id=1eT_o--0XcFESfEUlYa56bgDHgSKAf4cD
Aemelia, R., Tarigan, R.E., dan Widjaja, A.E., (2018). "Analisis dan implementasi content based image retrieval (CBIR) berdasarkan ciri warna pada varietas jeruk". Seminar Nasional Sistem Informasi dan Teknologi Informasi (SENSITEK 2018 - ISSN: 2621-0428), 12 Juli 2018, Pontianak, Kalimantan Barat.
URL Website: http://www.stmikpontianak.ac.id/sensitek/sensitek/?pages=menuinfo&id=lZ6AREZL7Eg=
Paper: https://www.researchgate.net/publication/326478916_Analisis_dan_implementasi_content_based_image_retrieval_CBIR_berdasarkan_ciri_warna_pada_varietas_jeruk
Certificate: https://drive.google.com/open?id=1RZa1g1Thb6eXcVS8WkPMPU8N9WcDIH5U
Utama, M.S., Prasetya, K., dan Widjaja, A.E., (2018). "Pengembangan aplikasi penunjang uji pemilihan program studi di universitas pelita harapan". Seminar Nasional Sistem Informasi dan Teknologi Informasi (SENSITEK 2018 - ISSN: 2621-0428), 12 Juli 2018, Pontianak, Kalimantan Barat.
URL Website: http://www.stmikpontianak.ac.id/sensitek/sensitek/?pages=menuinfo&id=lZ6AREZL7Eg=
Paper: https://www.researchgate.net/publication/326478677_Pengembangan_Aplikasi_Penunjang_Uji_Pemilihan_Program_Studi_di_Universitas_Pelita_Harapan
Certificate: https://drive.google.com/file/d/1pkJPRb8xRULhm10XYxZ31cwQ0SVNsr1o/view
Atikah, Tarigan, R.E., dan Widjaja, A.E., (2018). "Sistem informasi pelaksanaan penganggaran terintegrasi pada PT. Badak NGL". Konferensi Nasional Sistem Informasi (KNSI 2018 - ISBN: 978-602-51481-0-1), 8-9 Maret 2018, Pangkalpinang, Bangka.
URL Website: http://knsi2018.info/prosiding/
Paper: https://www.researchgate.net/publication/325073064_Sistem_Informasi_Pelaksanaan_Penganggaran_Terintegrasi_pada_PT_Badak_NGL
Certificate: https://drive.google.com/open?id=1F_KwgDFKiW-Qn35stP6dUiuJOReNcMhz
Avinda, M., Tarigan, R.E., dan Widjaja, A.E., (2017). "Aplikasi business intelligence pada proyek Indonesia WIFI PT. PINS Indonesia". Seminar Nasional Sistem Informasi dan Teknologi Informasi (SISFOTEK 2017 - ISSN: 2597-3584), 22-23 September 2017, Padang, Sumatera Barat.
URL Website: http://seminar.iaii.or.id/index.php/2017/article/view/9
Paper: https://www.researchgate.net/publication/320728434_Aplikasi_Business_Intelligence_pada_Proyek_Indonesia_WIFI_PT_PINS_Indonesia
Certificate: https://drive.google.com/open?id=1oUnJDcVOhs_vqPHpxXCV29ywnHVr8SKK
Tarigan, R.E., Sugiarto, A.M., dan Widjaja, A.E., (2017). "Pengaruh faktor-faktor customer relationship management (CRM) terhadap kepuasan pelanggan: Studi kasus Hypermart". Seminar Nasional Teknologi dan Informatika (SNATIF 2017 - ISBN: 978-602-1180-50-1), 25 Juli 2017, Kudus, Jawa Tengah.
URL Website: http://jurnal.umk.ac.id/index.php/SNA/article/view/1382
Paper: https://www.researchgate.net/publication/318814244_Pengaruh_Faktor-Faktor_Customer_Relationship_Management_CRM_Terhadap_Kepuasan_Pelanggan_Studi_Kasus_Hypermart
Certificate: https://drive.google.com/open?id=14U_n4r21eDD6ZTPdaxF18zn44AiNH5dC
Tarigan, R.E., Haerudin, A.L., dan Widjaja, A.E., Hery. (2017). "Pengaruh Penerapan knowledge management system terhadap efektivitas kinerja karyawan: Studi kasus pada sebuah perusahaan telekomunikasi". Seminar Nasional Inovasi dan Aplikasi Teknologi di Industri (SENIATI 2017 - ISSN 2085-4218), 4 Februari 2017, Malang, Jawa Timur.
URL Website: http://ejournal.itn.ac.id/index.php/seniati/article/view/1039
Paper: https://www.researchgate.net/publication/316470740_Pengaruh_Penerapan_Knowledge_Management_System_Terhadap_Efektivitas_Kinerja_Karyawan_Studi_Kasus_Pada_Sebuah_Perusahaan_Telekomunikasi
Certificate: https://drive.google.com/open?id=1My9jYlE2z2Qas_Sr_oE9_zZeRIdhftl1
Widjaja, A.E., Hery, dan Tarigan, R.E. (2016). "Meningkatkan potensi pariwisata danau toba melalui konsep smart tourism: Aplikasi dan tantangannya". Seminar Nasional Inovasi dan Teknologi Informasi (SNITI-3 2016 - ISSN:2548-4540), 11-12 November 2016, Samosir, Sumatera Utara.
Paper: https://www.researchgate.net/publication/316470648_Meningkatkan_Potensi_Pariwisata_Danau_Toba_Melalui_Konsep_Smart_Tourism_Aplikasi_dan_Tantangannya
Certificate: https://drive.google.com/open?id=1RHy-7P-meVyyNEliUGftiD2fjXaeqAtF
Mulyadi, W., Tarigan, R.E., dan Widjaja, A.E. (2016). "Pengaruh inovasi, kreativitas, dan kepuasan konsumen terhadap keunggulan kompetitif: Sebuah studi kasus". Seminar Nasional Inovasi dan Teknologi Informasi (SNITI-3 2016 - ISSN:2548-4540), 11-12 November 2016, Samosir, Sumatera Utara.
Paper: https://www.researchgate.net/publication/316470649_Pengaruh_Inovasi_Kreativitas_Dan_Kepuasan_Konsumen_Terhadap_Keunggulan_Kompetitif_Sebuah_Studi_Kasus
Wangsaputra, M., Prasetya, K., Hery, dan Widjaja, A.E. (2016). "Pengembangan aplikasi dengan fitur push notification untuk mendukung pendistribusian informasi di fakultas". Seminar Sistem Informasi Indonesia (SESINDO 2016 - ISBN: 978-602-73429-2-7), 1 November 2016, Surabaya, Jawa Timur.
URL Website: http://is.its.ac.id/pubs/oajis/index.php/file/download_file/1649
Paper: https://www.researchgate.net/publication/316453992_Pengembangan_Aplikasi_Dengan_Fitur_Push_Notification_Untuk_Mendukung_Pendistribusian_Informasi_Di_Fakultas
Certificate: https://drive.google.com/open?id=1Y5pMVUXn2Uf11rOmZvma1EAAyp3RfjAy
Saputra, W., Hery, Prasetya, K., dan Widjaja, A.E. (2016). "Perancangan aplikasi farmasi hospital information system di Siloam Hospitals". Seminar Nasional APTIKOM (SEMNASTIKOM 2016 - ISBN: 978-602-17488-1-7), 28-29 Oktober 2016, Mataram, Lombok.
Paper: https://www.researchgate.net/publication/316455004_Perancangan_Aplikasi_Farmasi_Hospital_Information_System_Di_Siloam_Hospitals
Certificate: https://drive.google.com/open?id=12AXCNN7SdNkb-dRgd3QPi4DJZ6tZLrQU
Tritama, H.B., Prasetya, K., Hery, dan Widjaja, A.E. (2016). "Analisis dan perancangan sistem aplikasi balanced scorecard" Conference on Information Technology, Information Systems and Electrical Engineering (CITISEE 2016 - ISBN: 978-602-60280-1-3). 23-24 Agustus 2016, Yogyakarta.
URL Website: http://citisee.amikompurwokerto.ac.id/assets/proceedings/paper/41__IT_Strategic-Universitas_Pelita_Harapan-Hansel_B__Tritama,Kusno_Prasetya_Hery,Andree_E__Widjaja.pdf
Paper: https://www.researchgate.net/publication/316454408_Analisis_dan_Perancangan_Sistem_Aplikasi_Balanced_Scorecard
Certificate: https://drive.google.com/open?id=1nGETHtTcJvAT5D-2nn52ZVShacDklMKz
Books
Hardjono, B., Widjaja, A.E., Rhizma, M.G.A., Tjahyadi, H., Haryani, C.A., dan Renatan, W. (2020). "Komunikasi Nirkabel dengan Aplikasinya di Bidang Telekomunikasi dan Informatika". Yogyakarta: Penerbit Andi. ISBN: 978-623-01-0325-4
URL Website: https://books.google.co.id/books?id=CzYNEAAAQBAJ&pg=PR2&lpg=PR2&dq=andree+e.+widjaja+buku&source=bl&ots=kEr97TB-Om&sig=ACfU3U1NThPP3bIFEgd5UYPHpUMvFsEX5A&hl=id&sa=X&ved=2ahUKEwib0eC2pK3wAhVc8HMBHWzpDnEQ6AEwEnoECBAQAw#v=onepage&q=andree%20e.%20widjaja%20buku&f=false
Sinta Website: https://sinta.ristekbrin.go.id/books?q=Komunikasi+Nirkabel+dengan+Aplikasinya+di+Bidang+Telekomunikasi+dan+Informatika&search=1
Others
Widjaja, A.E. (2021). "A Brief History of Indonesia's Economic Development", Dean's Annual Newsletter 2021, Jesse H. Jones School of Business, Texas Southern University, Houston, TX
URL Website: https://online.flippingbook.com/link/572034/
Article:https://www.researchgate.net/publication/353378529_A_Brief_History_of_Indonesia's_Economic_Development_Dean's_Annual_Newsletter_2021_Jesse_H_Jones_School_of_Business_Texas_Southern_University_Houston_TX