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. [1] [2]Nhọpụta mmetụta Oyo steeti 1979 mere na Julaị 28, 1979. Onye otu UPN bụ Bola Ige merika ahụ ahụ.
- ↑ Joseph (1981). "The Ethnic Trap: Notes on the Nigerian Campaign and Elections, 1978-79". Issue: A Journal of Opinion 11: 17–23.
- ↑ Okpu (1985). "Inter-Party Political Relations in Nigeria 1979-1983". Africa Spectrum 20: 191–209.