Journal Papers

1. Syarif Daniel Budiman, Hsin-Wei Hsu* (2025). “Energy portfolio optimization under variability for achieving Taiwan 2050 net-zero initiative,” Renewable Energy, Vol. 250, 123318. （SCI, Impact Factor 2023=9, CiteScore=18.5, CiteScore Ranking=21/270=7.8%, Renewable Energy, Sustainability and the Environment)

2. Budiman, S. D., & Rau, H.* (2021). A stochastic model for developing speculation-postponement strategies and modularization concepts in the global supply chain with demand uncertainty. Computers & Industrial Engineering, 158, 107392. doi:10.1016/j.cie.2021.107392

3. Rau, H.*, Budiman, S. D., & Monteiro, C. N. (2021). Improving the sustainability of a reverse supply chain system under demand uncertainty by using postponement strategies. Waste Management, 131, 72-87. doi:10.1016/j.wasman.2021.05.018

4. Budiman, S. D., & Rau, H.* (2019). A mixed-integer model for the implementation of postponement strategies in the globalized green supply chain network. Computers & Industrial Engineering, 137, 106054. doi:10.1016/j.cie.2019.106054

5. Rau, H.*, Budiman, S. D., Regencia, R. C., & Salas, A. D. P. (2019). A decision model for competitive remanufacturing systems considering technology licensing and product quality strategies. Journal of Cleaner Production, 239, 118011. doi:https://doi.org/10.1016/j.jclepro.2019.118011

6. Rau, H.*, Budiman, S. D., & Widyadana, G. A. (2018). Optimization of the multi-objective green cyclical inventory routing problem using discrete multi-swarm PSO method. Transportation Research Part E: Logistics and Transportation Review, 120, 51-75. doi:https://doi.org/10.1016/j.tre.2018.10.006

7. Wee, H. M.*, Budiman, S. D., Su, L. C., Chang, M., & Chen, R. (2016). Responsible supply chain management – an analysis of Taiwanese gutter oil scandal using the theory of constraint. International Journal of Logistics Research and Applications, 19(5), 380-394. doi:10.1080/13675567.2015.1090964 

Conference Papers

1. 郭祥謙、徐昕煒，(2023)。「考量變動性下以能源組合優化實踐臺灣2050年淨零目標」，2023中國工業工程學會年會暨學術研討會，2023年12月09日，逢甲大學，台灣。（最佳論文）

2. Rau, H., & Budiman, S. D. (2021). Development of Reverse Logistics Supply Chain Network with Postponement Strategies for Multiple Remanufactured Products. Paper presented at the 2021 International Conference on Resource Sustainability (Virtual), University College Dublin, Ireland. icrs2021dublin.ucd.ie

3. S. D. Budiman, & Rau, H. (2017). Modeling of reverse logistics system for modular products under emission consideration. Paper presented at the Going Green EcoDesign 2017: 10th International Symposium on Environmentally Conscious Design and Inverse Manufacturing, Taiwan.