Feasibility of Rice Husks Adsorption for Removal of Lead and Zinc from Contaminated Wastewater. The Journal of Building and Land Development, [S. l.], v. 27, n. 3, p. 23–36, 2026. Disponível em: http://journals.aru.ac.tz/index.php/JBLD/article/view/426. Acesso em: 3 oct. 2026.