| Traditional Socio-political Organization of the Enuani Igbo of South Central Nigeria PO Opone Tribes & Tribals 10 (1), 57-64, 2012 | 15 | 2012 |
| Analysing the politics of Nigeria’s 2019 National Minimum wage: towards a Public Policy PO Opone, KO Kelikwuma The Indian Journal of Labour Economics 64 (4), 1135-1149, 2021 | 13 | 2021 |
| ARE THE UKWUANIS BENIN OR IGBO? A STUDY OF ORIGIN AND MIGRATION PO Opone UNIZIK JOURNAL OF ARTS AND HUMANITIES 18 (3), 132-146, 2017 | 5 | 2017 |
| Origins and Migrations of the Enuani People of South Central Nigeria Reconsidered ENMPO Opone Tribes & Tribals 7 (1), 47-56, 2009 | 5* | 2009 |
| Politics of Restructuring and Nation-Building in Nigeria, 1966-2019. PO Opone KIU Journal of Humaniities 5 (1), 15-21, 2020 | 3 | 2020 |
| Iran and the west: a discourse on sanction pressure over nuclear programme PO Opone International Review of Humanities Studies 7 (1), 14, 2022 | 2 | 2022 |
| A DISCOURSE ON THE ORIGIN AND MIGRATION OF THE ABOHOF THE LOWER NIGER OF NIGERIA PO Opone International review of humanities studies 6 (2), 8, 2021 | 2 | 2021 |
| Nigeria’s Role in Liberia: Security Challenges for the 21st Century ER Adigbuo, PO Opone Journal of Social Policy and Society 5 (1), 2010 | 2 | 2010 |
| The decline of Aboh’s economic influence in the Western Niger Delta of Nigeria in the era of legitimate commerce, 1830–1960 PO Opone, MO Uzeghe African Identities, 1-17, 2024 | 1 | 2024 |
| Interrogating the origin and identity of the Anioma of the Western Niger Delta of Nigeria PO Opone African Identities, 1-17, 2022 | 1 | 2022 |
| Godfatherism and Nigeria's 2023 General Elections: The Case of Delta State PO Opone, DO Ikuni KIU Journal of Humanities 9 (1), 147-154, 2024 | | 2024 |
| THIRTY YEARS OF THE DELTA STATE UNIVERSITY: FOUNDATION, GROWTH, CHALLENGES AND ACHIEVEMENTS, 1992-2022 DPOOMKMMDJAAPEN Mordi R.N. Okoh, E.N. Mordi, J.F. Akpotor and D. Babarisa (eds). Long Walk to …, 2022 | | 2022 |
| IN SEARCH OF THEORIGIN OF THE IKA GROUP OF WESTERN NIGER DELTA OF NIGERIA PO Opone U.C. Anyanwu and C.M. Amaechi (eds). A Worthy High Priest of the Inner …, 2021 | | 2021 |
| TRADITIONAL POLITICAL ORGANIZATION OF THE WESTERN IGBO PO Opone Journal of Research and Developments in Arts and Social Sciences 5, 270-290, 2019 | | 2019 |
| On the Perspective of History from the Early Greek Times up to the 20th Century. PO Opone Wilberforce Island Review. 15 (1), 82-96, 2018 | | 2018 |
| The traditions of Origin and migrations of the Ezechima Group of Western Niger-Delta: A Reconsideration PO Opone OBITUN; Journal of Humanities 8, 135-132, 2017 | | 2017 |
| Reconstructing Indigenous Knowledge of Community Security: The Case of Anioma People of Delta State”. PO Opone Abraka Humanities Review, 7 (2), 132 - 138, 2016 | | 2016 |
| Examining 2005 National Political Reform Conference as a Tool for Nation-Building in Nigeria PO Opone Wudi; Journal of Humanities. 1 (1), 268 – 280., 2016 | | 2016 |
| State of the Nigerian Nation: A Study of the Machiavelli’s “The Prince” As a Useful Model. PO Opone SAU; Journal of Humanities 3 (2), 92-103, 2015 | | 2015 |
| Benin-Urhobo Relations, 1400-1800 DJAAPO Opone Iroro 16 (1), 155 - 168, 2015 | | 2015 |
