Ndinwa, G. C. C., and C. O. Ohwona. “Environmental and Health Impact of Solid Mineral Exploration and Exploitation in South-Northern Nigeria: A Case Study of Igarra in Edo State”. Review of Environment and Earth Sciences, vol. 1, no. 1, June 2014, pp. 24-36, doi:10.18488/journal.80/2014.1.1/80.1.24.36.