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Development of petroleum and petrochemical industries in Nigeria : proceedings of a workshop
(1987)
Nigeria/OPEC relations : a case study in cooperation and conflict of interest
Adogamhe, Paul G., (2007)
The foreign trade of the OPEC states
Gälli, Anton, (1979)
Wage politics in Africa : a theoretical methodology guide
ayoade, John A., (1973)
The politics of economic development in Africa
Ayoade, John A., (1987)