Hartanto, Hartanto. “Political Aspect As the Main Constraint to Realize Green Growth In East Kalimantan”. Journal of International Studies on Energy Affairs 1, no. 1 (July 10, 2020): 62–74. Accessed July 15, 2024. https://jisea.universitaspertamina.ac.id/index.php/jisea/article/view/7.