Widiastuty, Lily Koesuma, and Bambang Haryadi. “ANALISA PEMBERLAKUAN TARIF GULA DI INDONESIA”. Jurnal Manajemen dan Kewirausahaan 3, no. 1 (June 4, 2004): pp. 34-47. Accessed April 28, 2024. https://jurnalmanajemen.petra.ac.id/index.php/man/article/view/15607.