T. Zulhaji Sam, M. Mukhlis, T. A. Aththorick, H. Harahap, and S. Muzambiq, “Neutralization of Galena Acid Mine Water Using CaO and CaCO₃ at PT Berkat Bhinneka Perkasa”, TGEO, vol. 13, no. 2, pp. 15–25, Apr. 2025.