1. Abah, O. S., & Okwori, J. Z. (2003). Citizen stories: Looking for meanings and benefits of citizenship in Nigeria. Paper presented at IDS seminar series on citizenship, participation and accountability, June. Brighton: Institute of Development Studies, University of Sussex.
2. Achebe, C. (1984). The trouble with Nigeria. Enugu: Fourth Dimension Publishing Co.
3. Adepoju, A. (1983). Selected studies on dynamics, patterns and consequences of migration: Medium-sized towns in Nigeria (Vol. 4). Paris: UNESCO.
4. Adepoju, A. (1986). Rural migration in Nigeria. Ile-Ife: Department of Demography and Social Statistics, University of Ife.
5. Afigbo, A. E. (1989). Federal character: Its meaning and history. In P. P. Ekeh & E. Osaghae (Eds.), Federal character and federalism in Nigeria. Ibadan: Heinemann.