NUGRAHA , C. .; SUKANDAR , S. .; PRATAMA , Y. . Characterization Study of Coal-Combustion Ash For Acid Mine Drainage Prevention . INTERNATIONAL CONFERENCE ON GREEN TECHNOLOGY AND DESIGN (ICGTD), [S. l.], v. 2020, p. 61–66, 2022. Disponível em: https://eproceeding.itenas.ac.id/index.php/icgtd/article/view/106. Acesso em: 13 apr. 2026.