ALWATHAN, A.; MOHD-SETAPAR , S. H. .; IRWAN, M. .; THAHIR, R. .; FIRMAN, F. The Characterization Of Conversion Low-Rank Coal From East Kalimantan Indonesia Through Physical - Chemical Activation To Be Adsorbent . Journal of Advanced Research Design, [S. l.], v. 144, n. 1, p. 113–122, 2025. Disponível em: https://www.akademiabaru.com/submit/index.php/ard/article/view/6754. Acesso em: 24 sep. 2025.