Firdaus, Rhendy Akhmad. “Praktik Pada Pasar Monopoli Dan Monopsoni”. Diversity: Jurnal Ilmiah Pascasarjana 3, no. 1 (April 5, 2023): 35–45. Accessed December 13, 2025. http://150.107.142.43/index.php/Diversity/article/view/9437.