Removal of Direct 50 Dyes from Aqueous Solution Using Natural Clay and Organoclay Adsorbents. Baghdad Science Journal, Iraq, Baghdad, v. 12, n. 1, p. 157–166, 2015. DOI: 10.21123/bsj.2015.12.1.157-166. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/537.. Acesso em: 18 jun. 2025.