Removal of heavy metals using kaolinite and Bentonite filter media. International Journal of Current Engineering and Technology, [S. l.], v. 8, n. 6, p. 1535–1541, 2018. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1970. Acesso em: 13 mar. 2026.