NON-SCOPUS Indexed

U. Harmoko*, M. Christwardana, M. Rizkan. Use of Machine Learning-Based Health Index With K-Nearest Neighbors Method to Maintain Desalination Plant Performance Gas and Steam Power Plants Applications. Asian Journal of Social and Humanities, 3 (2025) 1439-1456

M.S.K.T.S. Utomo*, M. Christwardana, G. Syachrir. Use Of Machine Learning With The Long Short Term Memories Method As The Basis For Cleaning And Performance Of Steam Turbine Condensers For Gas And Steam Power Plants. Journal of World Science, 4 (2025) 595-600

H. Sugiarto, M. Christwardana, W. Widayat. Energy and Financial Analysis of Dual Fuel Gas Turbine Generator System. International Research Journal of Innovations in Engineering and Technology, 8 (2024) 128-133

M. Christwardana, A. Fania, & D. S. Khaerudini. Graphene oxide synthesis from coconut fiber powder using triple superphosphate catalyst and its potency for secondary battery electrode. Journal of Bioresources and Environmental Sciences, 3 (2024) 78-83

A. N. Nefasa, M. Christwardana, Z. H. Abdurrahman, F. Rohman, A. Afif. A Mini Review on Technique of Milk Thermization. Journal of Bioresources and Environmental Sciences. 2 (2023), 140-144. 

H. Hadiyanto, A. S. Handayani, M. A. Izzah, M. Christwardana*. Formulation and Characteristics Analysis of Soap with The Addition of Spirulina platensis. Journal of Bioresources and Environmental Sciences. 2 (2023), 109-113. 

Z. M. Tun, M. Christwardana*, R. Adigunaa, H. Hadiyanto, J. Windarta. A Mini Review on The Biomass Energy Implementation from Economic Perspective in Indonesia. Journal of Bioresources and Environmental Sciences. 2 (2023), 101-108. 

R. Yonas, U. Irzandi, H. Satriadi, W. Widayat, M. Christwardana, H. Hadiyanto*. Palm Oil Milling Effluent (POME) Waste Processing by Using Microalgae Chlamydomonas sp. Journal of Bioresources and Environmental Sciences. 1 (2022), 63-69. 

F. Y. A. Sari, I. M. A. Suryajaya, M. Christwardana, H. Hadiyanto*. Cultivation of Microalgae Spirulina platensis in Palm Oil Mill Effluent (POME) Media with Variations of POME Concentration and Nutrient Composition. Journal of Bioresources and Environmental Sciences. 1 (2022), 57-62. 

A. N. Nefasa*, E. Z. Nisa, M. Christwardana. Effect of Storage on The Chemical Quality of Pasteurized Milk with Supplemented Soybean Oil and Phycocyanin. Journal of Bioresources and Environmental Sciences. 1 (2022), 52-56. 

M. Christwardana*, H. Hadiyanto, W. Z. Pratiwi. Optimization of light intensity and color temperature in the cultivation of Chlorella vulgaris culture using the Surface Response Method. Journal of Bioresources and Environmental Sciences. 1 (2022), 33-41. 

M. Christwardana, & H. Hadiyanto*. Cultivating Microalgae Botryococcus braunii in Tofu Whey Medium. Journal of Bioresources and Environmental Sciences. 1 (2022), 12-19. 

M. Z. Mahdi, Y. N. Titisari, H. Hadiyanto* & M. Christwardana. Evaluation Of Spirulina, Nannochloropsis, and Chlorella Micro-algae Growth in Palm Oil Mill Effluent (POME) Medium with Variation of Medium Types and Time Adding Nutrient. Journal of Bioresources and Environmental Sciences, 1 (2022) 27-32.

J. Joelianingsih*, M. Christwardana, I.S. Purwaningsih. Prediction of Palm Based Biodiesel Properties Through the Preparation of Empirical Equation. International Journal of Oil Palm 2 (2019) 12-23.

A.K. Prabowo, A.P. Tiarasukma, M. Christwardana*, and D. Ariyanti. Microbial fuel cell for simultaneous organic degradation and electricity generation by employing slaughterhouse wastewater as a substrate. International Journal of Renewable Energy Development. 5 (2016) 107-112

Hadiyanto*, D. Soetrisnanto, and M. Christwardana. Phytoremediation of Palm Oil Mill Effluent Using Pistia Stratiotes Plant and Algae Spirulina sp for Biomass Production. International Journal of Engineering TRANSACTIONS C: ASPECT. 27 (2014) 1809-1814