1. ADB African Development Report 1994. African in the World Economy - Economic and Social Statistics in Africa:ADB, Abidjan.
2. Adeboye, T. Governance and economic development:the role of the State in the industrial development of Sub-Saharan Africa. A paper presented at the Academic Conference of the Global Coalition for Africa. 1995. 11. pp.23–25. Maastricht: University of Limburg.
3. Dijkman, H. and Van Dijk M.P. 1993 Female entrepreneurs in the informal sector of Ouagadougou, Development Policy Review, 2(3):273–288.
4. Encylopaedia Britannica Yearbook 1995:546–755.