Tampubolon, Gindo, Itang Ahmad Mahbub, and Neliyati Neliyati. “Amelioration of Coal Post Mining Area In Promoting The Growth of Avocado (Persea Americana Mill.)”. Jurnal Silva Tropika 3, no. 1 (June 30, 2019): 84-94. Accessed November 20, 2024. https://mail.online-journal.unja.ac.id/STP/article/view/6958.