As-SadiliAbu Hasan, Yusman Syaukat, and Faroby Falatehan. “Pendapatan Dan Kerentanan Petani Kopi Robusta Di Sekitar Kawasan Taman Nasional Bukit Barisan Selatan”. Jurnal Agribisnis Indonesia (Journal of Indonesian Agribusiness) 11, no. 2 (December 22, 2023): 220-235. Accessed November 22, 2024. https://journal.ipb.ac.id/index.php/jagbi/article/view/42545.