Helnsky, Edward, Thalita Syifa Fatimah, and Muhammad Millah Irsyaddin. “The Model of Natural Gas Market”. Greenation International Journal of Law and Social Sciences 1, no. 3 (September 18, 2023): 91–97. Accessed September 8, 2024. https://research.e-greenation.org/GIJLSS/article/view/125.