• An Adaptive Memetic Algorithm for a Cost-Optimal Electric Vehicle-Drone Routing Problem [DOI]
  IEEE Transactions on Intelligent Transportation Systems, IF 2024: 7.9
  Mara, S.T.W*., Sarker, R.,  Essam, D. and Elsayed, S., 2024

• Towards Net Zero Healthcare Transport Operations in Indonesia: A Total Cost of Ownership Approach [DOI]
  Socio-Economic Planning Sciences, IF 2023: 6.1
  Lusiantoro, L*., Mara, S.T.W. and Rifai, A.P., 2024 

• Solving an Electric Vehicle-Drone Routing Problem using Memetic Algorithm [DOI]
  Swarm and Evolutionary Computation, IF 2021: 10.267
  Mara, S.T.W*., Sarker, R.,  Essam, D. and Elsayed, S., 2023

• Multiobjective Sequence-Dependent Job Sequencing and Tool Switching Problem [DOI]
  IEEE Systems Journal, IF 2020: 4.802
  Rifai, A.P*., Sutoyo, E., Mara, S.T.W. and Dawal, S.M.D., 2022

• A Survey of Adaptive Large Neighborhood Search Algorithms and Applications [DOI]
  Computers & Operations Research, IF 2020: 4.008
  Mara, S.T.W., Norcahyo, R., Jodiawan, P., Lusiantoro, L. and Rifai, A.P*., 2022

• On Different Formulations for the Multi-Period Vehicle Routing Problem with Simultaneous Pickup and Delivery [DOI]
  ASEAN Engineering Journal
  Mara, S.T.W., Rifai, A.P*. and Norcahyo, R. 2022,

• An Adaptive Large Neighborhood Search Heuristic for the Flying Sidekick Traveling Salesman Problem with Multiple Drops [DOI]
  Expert Systems with Applications, IF 2021: 8.665
  Mara, S.T.W., Rifai, A.P*. and Sopha, B.M., 2022

• A Locational Analysis Model of the Covid-19 Vaccine Distribution [PDF] [open access]
  Operations and Supply Chain Management: An International Journal
  Lusiantoro, L*., Mara, S.T.W. and Rifai, A.P., 2022 

• Vehicle Routing Problem with Drones Considering Time Windows [DOI]
  Expert Systems with Applications. IF 2020: 6.954
  Kuo, R.J., Lu, Shih-Hao, Lai, Pei-Yu. and Mara, S.T.W*., 2022

• A Two-stage Heuristic for the Sequence-dependent Job Sequencing and Tool Switching Problems [DOI]
  Computers & Industrial Engineering, IF 2020: 5.431
  Rifai, A.P*., Mara, S.T.W.  and Norcahyo, R., 2021

• The Double Row Layout Problem with Safety Consideration: A Two-stage Variable Neighbourhood Search Approach [DOI]
  Journal of Industrial and Production Engineering
  Rifai, A.P., Mara, S.T.W., Ridho, H*. and Norcahyo, R., 2021

• Multi-objective Distributed Reentrant Permutation Flow Shop Scheduling with Sequence-dependent Setup Time [DOI]
  Expert Systems with Applications, IF 2020: 6.954
  Rifai, A.P*., Mara, S.T.W. and Sudiarso, A., 2021

• Multi-Operator Hybrid Genetic Algorithm-Simulated Annealing for Reentrant Permutation Flow-Shop Scheduling [DOI] [open access]
  ASEAN Engineering Journal
  Rifai, A.P*., Kusumastuti, P.A., Mara, S.T.W., Norcahyo, R. and Dawal, S.Z.M., 2021

• The Job Sequencing and Tool Switching Problem with Sequence-Dependent Setup Time [DOI] [open access]
  Journal of King Saud University - Engineering Sciences
  Mara, S.T.W., Sutoyo, E., Norcahyo, R. and Rifai, A.P*., 2021

• Location-Routing Problem: A Classification of Recent Research [DOI]
  International Transactions in Operational Research. IF 2020: 4.193
  Mara, S.T.W*., Kuo, R.J. and Asih, A.M.S., 2021

• A Genetic Algorithm for the Double Row Layout Problem [DOI] [open access]
  Jurnal Teknik Industri
  Rifai, A.P*., Mara, S.T.W., Kusumastuti, P.A. and Wiraningrum, R.G., 2020

• Solving a Multi-objective Location-Routing Problem with Minimum Cost and Total Time Balance [DOI]
  International Journal of Information and Management Sciences
  Mara, S.T.W*., Asih, A.M.S. and Kuo, R.J., 2019

Peer-Reviewed Conferences Articles/Posters

• Evolutionary Approach for a Green Logistics System with Drone-as-a-Service Providers
  accepted for presentation at The 51st International Conference on Computers and Industrial Engineering (CIE51), in Sydney, Australia
  Mara, S.T.W*., Sarker, R.,  Essam, D. and Elsayed, S., 2024

• A Decision Support System for Multi-Echelon Blood Logistics System
  2024 IEEE TEMS Conference Asia-Pacific (TEMSCON ASPAC), in Bali, Indonesia
  Pratama, A.A*., Mara, S.T.W., Lusiantoro, L. and Rifai, A.P., 2024

• Electric Vehicle-Drone Routing Problem with Optional Drone Availability [DOI]
  26th IEEE International Conference on Intelligent Transportation Systems (ITSC) 2023, in Bilbao, Bizkaia, Spain
  Mara, S.T.W*., Sarker, R., Essam, D. and Elsayed, S., 2023

• Vehicle Routing Problem for an Integrated Electric Vehicles and Drones System [DOI]
  6th EAI International Conference on Intelligent Transport Systems (INTSYS) 2022, in Lisbon, Portugal
  Mara, S.T.W*., Elsayed, S., Essam, D. and Sarker, R., 2022

• Involving Motorbike in Blood Pickup Services: A Mathematical Modelling Perspective [DOI]
  5th IEEE Systems Modelling Conference 2021, in Canberra, Australia
  Pohan, R.N.A., Wangsa, H.B., Mara, S.T.W*., Rifai, A.P. and Normasari, N.M.E., 2021

• Studi Komparasi Penggunaan Drone untuk Logistik Last-mile (in Bahasa Indonesia) [PDF]
  Seminar Nasional Teknik Industri 2020 (National Industrial Engineering Seminar), in Yogyakarta, Indonesia
  Pratama, G.R*., Alfaridzi, E.F., Awaluddin, A.A., Mara, S.T.W., Rifai, A.P., 2020

• Solving a Multi-objective Location-Routing Problem with Minimum Cost and Total Time Balance, Received the best paper award.
  2019 International Conference in Management Sciences and Decision Making, in Taipei, Taiwan
  Mara, S.T.W*., Asih, A.M.S. and Kuo, R.J., 2019

* corresponding author

Working Papers (Unpublished)

As a course convenor

• Data Mining (Universitas Gadjah Mada, 2020/2021, Sem-II, Bachelor level)

• Industrial Feasibility Analysis (Universitas Gadjah Mada, 2020/2021, Sem-II, Bachelor level)

• Statistics for Industrial Engineer (Universitas Gadjah Mada, 2020/2021, Sem-II, Bachelor level)

• Capstone Design Project (Universitas Gadjah Mada, 2020/2021, Sem-I, Bachelor level)

• Research Methodology (Universitas Gadjah Mada, 2020/2021, Sem-I, Bachelor level)

• Mathematical Optimization (Universitas Gadjah Mada, 2020/2021, Sem-I, Bachelor level)

• Decision Support System (Universitas Gadjah Mada, 2019/2020, Sem-II, Bachelor level)

• Industrial Organization and Management (Universitas Gadjah Mada, 2019/2020, Sem-II, Bachelor level)

As a tutor

• Introduction to Programming (UNSW Canberra, 2024, Sem-II, Bachelor level)

Grants