Oloruntola, M. O., O. O. Bayewu, K. Kehinde, D. O. Obasaju, and G. Mosuro. “ SOUTHWESTERN NIGERIA”. GeoScience Engineering, vol. 64, no. 4, Nov. 2018, pp. 11-23, http://geoscience.cz/ojs/index.php/GSE/article/view/202.