Use of Composite Sorbents for the Removal of Copper (II) ions from Aqueous Solution. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 15, n. 2, p. 1–12, 2014. DOI: 10.21743/. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/314. Acesso em: 3 jul. 2025.