Olorunmaiye, J. A., and O. O. Awolola. “The Cooling Systems and Weather Statistics of Maiduguri and Yola - Nigeria”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, Vol. 14, no. 1, Mar. 2018, pp. 72-84, https://azojete.com.ng/index.php/azojete/article/view/105.