Tampubolon, Gindo, Suryanto Suryanto, and Ovanny Thalia. “KAJIAN KANDUNGAN BAHAN ORGANIK TANAH DAN PRODUKSI TANDAN BUAH SEGAR PADA BEBERAPA SISTEM PENGELOLAAN TANAMAN KELAPA SAWIT MENGHASILKAN : Study of Soil Organic Material Content and Production Of Fresh Fruits In Several Systems Management Oil Palm Produces”. Jurnal Silva Tropika 6, no. 1 (October 11, 2022): 1-14. Accessed November 20, 2024. https://mail.online-journal.unja.ac.id/STP/article/view/20163.