“DIRECT BIOLEACHING OF ZINC USING Manihot Esculenta Crantz (cassava) EXTRACT WITHOUT ADDITIVES”. FUDMA JOURNAL OF SCIENCES 4, no. 2 (July 14, 2020): 645–657. Accessed September 11, 2025. http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/199.