Okenu Stella C. 2023. “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 (3), 40 - 47. https://doi.org/10.33003/fjs-2023-0703-1775.