Sikumbang, S., and I. Garniwa. “Optimizing Generation Costs in Electricity Supply Business Plan for Electricity Companies in Indonesia: A Reliability-Based Approach for the Sumatra Power System”. International Journal of Electrical, Computer, and Biomedical Engineering, vol. 3, no. 2, June 2025, pp. 236–253, doi:10.62146/ijecbe.v3i2.111.