Eruola, A.O., Bello, N. J., G.C. Ufoegbune, Makinde, A.A, D.
(2012).
Application of rainfall- potential evapotranspiration model for determining optimum planting date of yam (Dioscorea rotundata) in a tropical wet-and-dry climate.
Global Journal Of Science Frontier Research, 12(5-D).
Retrieved from https://journalofscience.org/index.php/GJSFR/article/view/515