PARVIN, A.; HOQUE, S. Removal of Pb and Zn from industrial effluent using humic acid. Bangladesh Journal of Scientific and Industrial Research, [S. l.], v. 51, n. 4, p. 279–284, 2016. DOI: 10.3329/bjsir.v51i4.30447. Disponível em: https://banglajol.info/index.php/BJSIR/article/view/30447. Acesso em: 27 jul. 2024.