A. C, S. ., A, A. ., G. N, N. ., M. Y, O., & S, O. (2020). 21st Century Trend of Water Yield in River Basins of Guinea and Sudano-Sahelian Ecological Zones, Nigeria. International Journal of Climate Research, 4(1), 37–50. https://doi.org/10.18488/journal.112.2020.41.37.50