TAFIDA, A. A, et al. “ACTIVITY OPTIMIZATION AND IMPLICATION TO RESOURCE MANAGEMENT AND RURAL DEVELOPMENT IN THE KAINJI LAKE FISHING COMMUNITIES, NIGERIA”. Nigerian Journal of Fisheries, vol. 8, no. 2, Dec. 2011, pp. 259-64, https://fisonjournal.org.ng/index.php/njf/article/view/297.