RAHMAN, M. M.; AKTER, M. .; SIDDIK, A. B. .; ISLAM, M. W. .; AFRIN, S. .; AFROZE, M. .; KHAN, M. .; HOQUE, M. A. .; MAMUN, M. A. Purification of waste engine oil using raw clay, acid treated clay and clay/activated charcoal. Journal of Bangladesh Academy of Sciences, [S. l.], v. 48, n. 1, p. 121–134, 2024. DOI: 10.3329/jbas.v48i1.70241. Disponível em: https://banglajol.info/index.php/JBAS/article/view/70241. Acesso em: 17 jul. 2024.