D. F., I.; B., N. GEOELECTRICAL AND DOWN-HOLE INVESTIGATIONS FOR DELINEATING FRESHWATER AQUIFER IN PARTS OF OBIO/AKPOR LOCAL GOVERNMENT AREA, RIVERS STATE, NIGERIA. BW Academic Journal, [S. l.], p. 13, 2023. Disponível em: https://www.bwjournal.org/index.php/bsjournal/article/view/1413. Acesso em: 7 jun. 2026.