Sanda, O., M.M. Ayoola, O.E. Ehinmitola, and E.A. Taiwo. 1. “Dissolution Of A Nigerian Copper Ore In Sulphuric Acid: Kinetics And Optimization Studies”. Ife Journal of Technology 25 (1), 6-14. http://ijt.oauife.edu.ng/index.php/ijt/article/view/131.