Prannata, Achmad. “Analysis of Hydroelectric Power Plants in East Kalimantan, Indonesia”. Jurnal Ekonomi, Bisnis & Entrepreneurship (e-Journal) 17, no. 1 (September 19, 2023): 195–212. Accessed December 5, 2024. https://jurnal.stiepas.ac.id/index.php/jebe/article/view/352.