Nugraha , C. ., Sukandar , S. . and Pratama , Y. . (2022) “Characterization Study of Coal-Combustion Ash For Acid Mine Drainage Prevention ”, INTERNATIONAL CONFERENCE ON GREEN TECHNOLOGY AND DESIGN (ICGTD), 2020, pp. 61–66. Available at: https://eproceeding.itenas.ac.id/index.php/icgtd/article/view/106 (Accessed: 13 April 2026).