Oyeleye Oyediran; Adigun Agbaje (June 1991). "Two-Partyism and Democratic Transition in Nigeria". The Journal of Modern African Studies. 29 (2). University of Cambridge Press: 213–235. doi:10.1017/S0022278X0000272X. S2CID154729480.
edutorial.ng
"Eni Njoku". online education magazine. 5 October 2014. Retrieved 6 January 2021.
Oyeleye Oyediran; Adigun Agbaje (June 1991). "Two-Partyism and Democratic Transition in Nigeria". The Journal of Modern African Studies. 29 (2). University of Cambridge Press: 213–235. doi:10.1017/S0022278X0000272X. S2CID154729480.