Akingboye, A.S. and Ogunyele, A.C. 2018. Insight into seismic refraction and electrical resistivity tomography techniques in subsurface investigations. Rudarsko-geološko-naftni zbornik. 34, 1 (Oct. 2018). DOI:https://doi.org/10.17794/rgn.2019.1.9.