Udatama, Adam, Bambang Priatmadi, and Gusti Ichriani. “Pengaruh Abu Terbang Batubara Dan Tandan Kosong Kelapa Sawit Terhadap PH, Eh Serta Fe-Larut Pada Lahan Sulfat Masam”. Acta Solum 3, no. 1 (November 27, 2024): 22-25. Accessed December 3, 2024. http://103.81.100.242/index.php/actasolum/article/view/2853.