Puspitasari, Risma Ade, Adelia Aprianti, Ronito Septiana Tambunan, and Permata Bunga Nusantara. “Cost-Benefit Analysis in the South Sudan-Sudan Ethnic Conflict through a Rational Utilitarian Perspective”. Journal of International Studies on Energy Affairs 4, no. 2 (December 30, 2023): 103–116. Accessed May 3, 2025. https://jisea.universitaspertamina.ac.id/index.php/jisea/article/view/491.