1. Adeniji, O. (2005). Economic dimension of Nigeria’s foreign policy. In O. Adeniji (Ed.), Essays on Nigerian foreign policy, governance and international security. Dokun Publishing House.
2. Akindele, R. A., & Akinterinwa, B. (1992). The effect of territorial contiguity and geo-political propinquity on foreign policy: A study of Nigeria’s relations with its neighbours. In B. A. Ate & B. Akinterinwa (Eds.), Nigeria and its immediate neighbours: Constraints and prospects of sub-regional security in the 1990s. Lagos.
3. Akinyemi, O. (2014). Borders in Nigeria’s relations with Cameroon. Journal of Arts and Humanities, 3(9), 13–20.
4. Asante, S. K. B. (1980). Economic integration in West Africa: Some critical issues. Africa Development, 5(2), 67–83.
5. Ate, E., & Akinterinwa, B. (1992). Nigeria and its immediate neighbours: Constraints and prospects of sub-regional security in the 1990’s. NIIA.