1. Akinpelu, J.A.Relevance in Education. An inaugural lecture delivered at the University of Ibadan, April 1983. Mimeo.
2. Axim, George H.Non-Formal Education and Rural Development. East Lansing: Michigan State University, 1976.
3. Bhola, H.S. ?Why Literacy Can't Wait: Issues for the 1980's?.Convergence. XIV (1981), No. 1, pp. 6?23.
4. Kassam, Yusuf. ?Formal, Non-Formal and Informal Modes of Learning: A Glimpse of the Tanzanian Experience?.International Review of Education. XXVIII (1982), No. 2, pp. 263?267.
5. ?Mobilizing Youth for Development?.The NFE Exchange. (Michigan State University), September/November, 1977.