“Feasibility of Rice Husks Adsorption for Removal of Lead and Zinc from Contaminated Wastewater”, JBLD, vol. 27, no. 3, pp. 23–36, Aug. 2026, Accessed: Oct. 03, 2026. [Online]. Available: http://journals.aru.ac.tz/index.php/JBLD/article/view/426