Okenu Stella C. “GEOLOGICAL AND GEOELECTRICAL INVESTIGATION OF DIRIOTE DEPOSITS IN OBIAGU, AMAUBURI, AND UMUNEOCHI AREA, SOUTH-EASTERN NIGERIA – SUGGESTIONS FOR QUARRY SITE”. FUDMA JOURNAL OF SCIENCES 7, no. 3 (July 6, 2023): 40 - 47. Accessed November 21, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1775.