Modeling of Cadmium Removal on Lignite (Thar Coal) from Aqueous System. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 17, n. 1, p. 65 – 71, 2016. DOI: 10.21743/pjaec/2016.06.010. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/245. Acesso em: 12 jul. 2025.