Adebiyi, A. D., S. O. Ilugbo, C. A. Ajayi, O. A. Ojo, and E. G. Babadiya. “Evaluation of Pavement Instability Section Using Integrated Geophysical and Geotechnical Methods in a Sedimentary Terrain, Southern Nigeria”. Asian Journal of Geological Research, Vol. 1, no. 3, Jan. 2019, pp. 1-13, https://journalajoger.com/index.php/AJOGER/article/view/29599.