Onwuanyi, Ndubisi, Geoffrey Nwodo, and Pius Chima. “The Benin City Moat System: Functional Space Or Urban Void?”. coou African Journal of Environmental Research 3, no. 1 (September 26, 2022): 21–39. Accessed January 28, 2023. https://ajer.coou.edu.ng/index.php/journal/article/view/120.