1. Constitutionalism, Pluralism and Democracy in Africa;Sammy Adelman;Journal of Legal Pluralism,1998
2. Constitutionalism and Economic Integration;O Adewoye;The International Development Research Centre: Science for Humanity,2009
3. Re-inventing Federalism in Post-Transition Nigeria: Problems and Prospects" Council for the Development of;Osita Agba;Social Science Research in Africa,2004
4. Chiefs, Constitutions, and Policies in Nigeria;P Agbese;West African Review,2004