I. O. Chukwuma, B. O. Mukoro, F. O. Alaefule, G. C. Ugwuja, E. K. Agbaeze, and I. L. Madu "Legal Regulation as Driver for Sustainable Development of Nigeria’s Solid Mineral Sector", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 769–773, 2020, doi: 10.25046/aj050296.