Robertua, Verdinand, and Raden Ariobimo Bayu Sontany. “Eco-Business Diplomacy: A Case Study of SMART and the European Union on Palm Oil Issue”. Journal of International Studies on Energy Affairs 2, no. 2 (December 30, 2021): 179–198. Accessed December 4, 2024. https://jisea.universitaspertamina.ac.id/index.php/jisea/article/view/262.