E. Mbiimbe, I. Goni, J. El-Nafaty, and A. Yuguda, “Assessment of the Protective Capacity of Vadoze Zone over Aquifer Systems Using Secondary Geoelectrical Parameters: A Case Study Of Kaltungo Area North East, Nigeria”, j. of environ. & earth. sci., vol. 2, no. 2, pp. 1–11, Oct. 2020.