Iliyasu Mamman Anzaku, and Garba Umar. “Effects of Climate Variability on Maize Yield in Wukari Local Government Area of Taraba State, Nigeria”. Global Journal of Science Frontier Research, vol. 21, no. H3, Mar. 2021, pp. 67-81, https://journalofscience.org/index.php/GJSFR/article/view/2954.