Ajai, O. O. (2016). Agenda for Intra-African Economic Development: Business-Legal Frameworks, Enablers and Impediments. Journal of Comparative Law in Africa.
Ajai, O. O. (in press, 2014). Profit Creation, Intra and Inter-generational Equity: Need for New Company Law. African Journal of Business Management.
Ajai, O. O. (2012). Law, Water and Sustainable Development: Framework of Nigerian Law. Law, Environment and Development Journal, 8 (1), 89-114.
Ajai, O. O. (2012). Trade Unions and Collective Bargaining in a Federated Emerging Economy: A General Review from a Nigeria. International Journal of Public Law and Policy, 2 (2), 191-214.
O. O. Ajai, Legal Protection of the Consumer in Credit, Sales and Service Transactions in Nigeria. (421 pp).
O. O. Ajai, (2009) “Corporate Governance, Reporting Corporate Financial Information and Audit Committees: A Review of Nigerian and Comparative Law, (29 pp), International Journal of Comparative Corporate Law.
O. O. Ajai, (2009) “Corporate Theory of Shareholder Control: A Relic to be destroyed or A Pillar to be reformed?” International Conference on Corporate Law (ICCL 2009) College of Law, Government & International Studies, Universiti Utara Malaysia
O. O. Ajai (2001), “Consumer Credit and Finance: The Legal Framework”, 1 Modus International Law & Business Quarterly, 1.
Prof. J.O. Fabunmi & O. O. Ajai, (1998), ‘Execution of Judgment and Means of Enforcement Available to a court in Nigeria’ -32 Journal of African Law, (No.2), pp. 164-181.
O. O. Ajai, (1998), ‘The New Wills Edicts and the Reform of Wills Law in Nigeria: Some Thought and Suggestions’, Nigerian Current Law
Review, pp. 58-76.
O. O. Ajai (1998), “Environmental Impact Assessment and Sustainable Development: A Review of the Nigerian Legal Framework, Nigerian
Current Legal Problems, Vol. 2, pp. 12-36.
O. O. Ajai (1998), “Project Linked International Loan Case Study”, (1998) Modern Practice Journal of Finance & Investment Law Vol, 2 No 2 (1998), pp.132 – 139
O. O. Ajai (1997), “Recovery of Interest by Banks: A Critical Examination of Nigerian Case Law”, 41 Journal of African Law (No.1), pp. 109.
O. O. Ajai (1997), “Access to Genetic Resources and Biotechnology Regulation in Nigeria, Review of European: Community and International Environmental Law (RECEIL) Vol. 6, Issue 1, pp 42 – 43.
O. O. Ajai (1995 ) “Achieving Environmental Protection through the Vehicle of Human Rights: Some Conceptual, Legal and Third World Problems”, University of Benin Law Journal, Vol. 2, No 1, pp 41 – 57.
O. O. Ajai, (1993), “Recovery of Interest on Loans: Finance Institutions: BOFI Decree Consumers and Money Lending Contracts”, Justice. Vol 8 No. 6, pp. 59-66.
O. O. Ajai, (1993), “Teaching, Researching and Reforming Consumer Protection Law in Nigeria: Some Reflections and Suggestions”, Justice. Vol. 7 No. 4, 92-101.
O. O. Ajai, [1992-93], “Caveat Venditor! Consumer Protection Decree No. 66 of 1992 Arrives in the Nigerian Market Place” Nigerian Current Law Rev. pp. 23-41.
O. O. Ajai, (1992 & 1993), “Recent Trends in Fundamental Breach and Exclusion Clauses in the Consumer/Commercial Transactions”, Vol. 16, 17, &18 Journal of Private and Property Law pp.37 – 49.
O. O. Ajai, (1992), “Conservation of Aquatic Resources in Nigeria: A Critical Appraisal of the Legal Framework”, Justice, Vol. Nos 4 & 5, pp 36-47.
O. O. Ajai, (1991), “Some Unconstitutional Aspects of the Land Use Act 1978 and Internal Conflict Rules governing Intestate Succession to Land, Justice, pp.45-51.
O. O. Ajai, (1990), “The Integration of Traditional Medicine into the Nigerian Health Care Delivery System: Legal Implications and Complications,” Medicine & Law (No. 1) pp. 685 -699.
Prof. J. O. Fabunmi, A. Popoola & O. O. Ajai, (1990), ‘Some Aspects of Law Enforcement in the Commercial Sector in Nigeria,’ 1 Ogun State University L.J. pp. 107-134
O. O. Ajai, (1989), “Market Overts: Do they exist in Nigeria?” The Gravitas Review of Business and Property Law. Vol 2, pp. 73-77.
O. O. Ajai (1986), “Legal Pluralism and the Mishandling of Moslem Wills: Further Considerations of Adesubokan v. Yinusa and the Internal conflict Rules”, Nigerian Current Law Review, pp. 127-140.
O. O. Ajai, 1986, “An Appraisal of the Miscellaneous Offences (Special Tribunal) Decree No. 20 of 1984”, The Ife Law Journal, pp. 58-76.