Afriany, and Rubianto Pitoyo. “Perspective on Crude Palm Oil Production: The Effect of Raw Palm Oil and Biofuel Prices”. Jurnal Ekobistek 10, no. 1 (July 27, 2021): 15–25. Accessed October 26, 2025. https://jman-upiyptk.org/ojs/index.php/ekobistek/article/view/60.