Amin, J.M., and D.P. Sari. “Penurunan Kadar Besi Dan Mangan Terlarut Dalam Air Payau Melalui Proses Oksidasi Menggunakan Kalium Permanganat”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 4, no. 1 (October 19, 2016): 38–46. Accessed December 23, 2024. https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/143.