Febrianti, Febrianti, and Syofia Asridawati. “The Role of Charcoal from Oil Palm Trunks for Improving Macro Nutrients Content of Corn (Zea Mays, L.).: Peranan Arang Batang Kelapa Sawit Dalam Peningkatan Kadar Hara Makro Tanaman Jagung (Zea Mays, L.).”. JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) 1, no. 2 (July 4, 2019): 67-72. Accessed April 28, 2025. https://ejournal.uniks.ac.id/index.php/JUATIKA/article/view/159.