Oyebode, O. O., and J. O. Olaoye. “Development of Hydropower Turbines Powered by Dam Overflow”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, Vol. 15, no. 3, Sept. 2019, pp. 560-72, http://www.azojete.com/index.php/azojete/article/view/36.