Kusuma, Elly Septiana Dwi, Purbowo, and Umar Khasan. “Biaya Imbangan Eksternalitas Pabrik Gula Djombang Baru”. Journal of Economics Development Issues 6, no. 1 (February 28, 2023): 33–46. Accessed April 9, 2025. https://jedi.upnjatim.ac.id/index.php/jedi/article/view/155.