Ayodele, O. S., and S. A. Akinyemi. “Petrostructural and Mineralogical Assessment of the Precambrian Rocks in Ikere Area, Southwestern Nigeria”. Asian Review of Environmental and Earth Sciences, vol. 1, no. 3, Dec. 2014, pp. 66-83, http://www.asianonlinejournals.com/index.php/AREES/article/view/682.