“Optimizing Acid Mine Drainage Treatment Using Fly Ash and Bottom Ash”. Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam 22, no. 1 (June 18, 2025): 71–79. Accessed June 21, 2026. https://jurnal.univpgri-palembang.ac.id/index.php/sainmatika/article/view/17384.