1. Olayemi JK 1998. Elements of Applied Econometrics. A Publication of the Department of Agricultural Economics, Ibadan, Nigeria: University of Ibadan.
2. Oludimu O 1987. Investment, Productivity and Quality of Life in a Rural Society: An Analytical study. In: POC Umeh, GA Usman, SA Anjorin, OB Oluleye (Eds.): Increasing Productivity in Nigeria: Proceeding of the First Conference on Productivity Organized by the National Productivity Centre, Lagos, pp. 371-382.
3. Tabor JG 1990. The Fishing Industry in Nigeria: Status and Potential for Self-sufficiency in Production. National Institute of Oceanography and Marine Research Technical Paper 22: 1–8.