Mark, M. S., Daniel, D. D., Dingtsen, D. J., & Asheazi, N. R. (2016). Forestalling the Continued Depletion of Nigeria’s Mineral Resources through Proper Conservation. The International Journal of Science & Technoledge, 4(4). Retrieved from http://internationaljournalcorner.com/index.php/theijst/article/view/123818