U. B. L. Utami, H. Susanto, and B. Cahyono, “Neutralization Acid Mine Drainage (AMD) using NaOH at PT. Jorong Barutama Grestone, Tanah Laut, South Borneo”, Ind. J. Chem. Anal, vol. 3, no. 1, pp. 17–21, Mar. 2020.