Orakwe, L. C., A. C. Okoro, C. P. Nwachukwu, and E. I. Ugwu. “Impacts of Climate Change on the Yeild of Some Selected Root Crops in Enugu State, South Eastern Nigeria”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, Vol. 19, no. 2, June 2023, pp. 289-96, https://www.azojete.com.ng/index.php/azojete/article/view/750.