Usamat, Sulyman, et al. “Integrated Geoelectrical and Geospatial Assessment of Groundwater Variation  in Selected Location, Port Harcourt, Rivers State, Nigeria”. Nigerian Journal of Physics, vol. 35, no. S, Sept. 2026, pp. 168-86, https://doi.org/10.62292/njp.v35(s).2026.693.