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Measuring multi-membership in economic integration and its trade impact : a comparative study of ECOWAS and SADC
Afesorgbor, Sylvanus Kwaku, (2014)
ECOWAS and the economic integration of West Africa
Ezenwe, Uka, (1983)
Political and comparative dimensions of regional integration : the case of ECOWAS
Gambari, Ibrahim A., (1991)