Uba,Uchechukwu Promise, Umeuduji, Joel E, Eludoyin, Olatunde Samuel. 2023. “USING GRACE AND GLDAS DRIVEN DATA TO ASSESS GROUNDWATER FLUCTUATIONS OF NIGER-SOUTH HYDROLOGICAL AREA OF NIGERIA”. EPRA International Journal of Economic Growth and Environmental Issues(EGEI) 11 (9):11-21. https://eprajournals.net/index.php/EGEI/article/view/3156.