Nurlela, Agustina TE, Arita S, Bahrin D, Gayatri R. Fly ash adsorbent for ph improvement and manganese reduction in acid mine drainage. J. Appl. Mat. Tech. [Internet]. 2025 Nov. 22 [cited 2026 Apr. 25];7(1):41-8. Available from: https://journal.icancee.org/index.php/jamt/article/view/113