Awfa D, Azizah RN, Imami AD, Utami R, Army EK, Narita EE, Anugrah MMC, Putra N, Prayogo W, Novriadi. Alternative Neutralizers for Acid Mine Wastewater: Characterization and Neutralizing Potency of Pond Ash and Concrete Sludge. IJMEIR [nternet]. 2025Jul.10 [cited 2025Dec.6];10(1):115-20. vailable from: https://journal.its.ac.id/index.php/ijmeir/article/view/4745