Hakim, Lukmanul, Annisa Zauhar Nafisah, Heri Gusmedi, and Khairudin Khairudin. 2018. “Voltage Profile Improvement through Load Shedding Action Using Linear Programming-Based Optimal Power Flow”. International Series on Interdisciplinary Science and Technology 3 (1):115-18. https://doi.org/10.23960/ins.v3i1.115.