Daniel. E., Azunna, and Chukwu, Godwill. U. 2019. “Self Potential Anomalies and Their Minerological Implications, A Case Study of Some Parts of Southern Umuahia, Abia State, Nigeria”. Current Perspectives to Environment and Climate Change Vol. 2, October, 70-85. https://stm1.bookpi.org/index.php/cpecc-v2/article/view/502.