Okeke, S. O.; Onwuegbuche, A. A.; Chinwuko, A. I.; Achhilike, K. O.; Okonkwo, C. C.; Usman, A. O. AN INVESTIGATION OF GROUNDWATER POTENTIAL OF SOUTHERN ANAMBRA STATE, NIGERIA USING ELECTRICAL RESISTIVITY SOUNDINGS. NJP 2021, 30, 1-11.