P. Obasi, A. Ekinya, C. Akpa, and E. Edene, “Characterization of Subsurface Lithology and Aquifer Parameters Using Vertical Electrical Sounding (VES) for Groundwater Development in Igbo-Imabana, Southern Nigeria”, adv. in geol. and geotech. eng. res., vol. 4, no. 3, pp. 12–31, Sep. 2022.