“Droughts in the Sudano-Sahelian Ecological Zone of Nigeria: Implications for Agriculture and Water Resources Development”, GJHSS, vol. 13, no. B2, pp. 1–10, Jan. 2013, Accessed: Apr. 03, 2026. [Online]. Available: https://socialscienceresearch.org/index.php/GJHSS/article/view/540