Ajibola, O. O., A. O. Adebayo, S. G. Borisade, A. E. Adegbenro, D. T. Oloruntoba, and P. A. Olubambi. “DIRECT BIOLEACHING OF ZINC USING Manihot Esculenta Crantz (cassava) EXTRACT WITHOUT ADDITIVES”. FUDMA JOURNAL OF SCIENCES, Vol. 4, no. 2, July 2020, pp. 645 -7, doi:10.33003/fjs-2020-0402-199.