2013: “Deep History and International Security: Social Conditions and Competition, Militancy and Violence in West Africa”, Conflict, Security and Development, Vol. 13, No. 2 (co-authored with James Gow and Ernst Dijxhoorn)
2013: “Reconceptualising Gender, Peace and Security in Africa”, Africa Peace and Conflict Journal, United Nations University for Peace (with Cheryl Hendricks and Awino Okech).
2009: “ECOWAS and Civil Society Movements in West Africa”, in Special Issue on Security and Development in an Unequal World, IDS Bulletin, March 2009
2006: “United Kingdom-Led Security Sector Reform in Sierra Leone”, Civil Wars, Volume 8, No. 2, 2006, pp 109-123 (co-authored with Adrian Horn and Gordon Peake)
2005: “Democratising Security Sector Governance in West Africa: Trends and Challenges”, Conflict, Security & Development, Vol. 5, No. 3 (co-authored with Alan Bryden and Boubacar N’diaye)
2004: “Windows of Opportunity for Conflict Prevention: Responding to Regional Conflict in West Africa”, Conflict, Security and Development, Vol. 4, No. 2, 2004, pp. 181-198
2000: “Between Economic Fragility and Political Fluidity: Natural Resource Conflicts in Sub-Saharan Africa, Journal of International Peacekeeping, Vol. 7, No. 4, Winter (co-authored with Abiodun Alao).
2000: “Peace and Justice in post-Cold War Africa: Post Cold-War Issues”, International Journal, Spring
1999: “Will the Military Stay out of Nigerian Politics”? Africa Insight, Vols. 3 & 4
1999: “Democracy and Security in Africa”, Cambridge International Review, September 1999 (co-authored with Jeremy Levitt)
1999: “Conventional Arms Control in Post-Cold War Sub-Saharan Africa: Problems and Prospects”, Strategic Review for Southern Africa, May, Re-edited and published in Arms Control Bulletin, No. 36, September 1999
1999: “Humanitarian Intervention and Human Rights: The Contradictions in ECOMOG” International Journal of Human Rights, Vol. 3, No. 1 (co-authored with Emmanuel Kwesi Aning).
1998: “Rethinking Regional Security in Africa: An Analysis of ECOWAS and SADC”, Strategic Review for Southern Africa, November
1997: “An International War Crimes Tribunal for Africa: Problems and Prospects”, African Journal of International and Contemporary Law, Vol. 9, No. 4, December, pp.821-835
1997: African “Home-Made” Peacekeeping Initiatives, Armed Forces and Society, Vol. 23, No. 3, Spring pp. 349-372
1997: “Limitations of Regional Peacekeeping: The ECOMOG Operation in Liberia”, Oxford International Review, Vol. VIII, No. 2, Spring, pp. 58-64
1996 “UN Co-operation with Regional Organizations in Peacekeeping: The Experience of ECOMOG and UNOMIL in Liberia”, International Peacekeeping, Vol.3, No.3, Autumn, pp. 33-51CHAPTERS IN BOOKS
2012: “Democratisation and Security Sector Reform in Nigeria”, in Heiner Haengi and Carolina Hernandez (eds), Democratization and Security Sector Reform, DCAF Yearly Book, Munster: Lit Verlag
2012: “The United Nations Peace Building Commission: Problems and Prospects”, in Devon Curtis, ed., Peace Building in Africa, Ohio University Press, (co-authored with Eka Ikpe)
2011: “New Narratives of Security Governance in Africa”, in Funmi Olonisakin and Awino, Okech eds, Women and Security Governance in Africa (Oxford, Pambazuka Press
2011: “ECOWAS from Economic Integration to Peacebuilding”, in Thomas Jaye, Dauda Garuba and Stella Amadi (eds), ECOWAS and the Dynamic of Conflict and Peace-Buidling in West Africa, Dakar: Council for the Development of Social Science Research in Africa
2011: US-Nigeria Relations in the Era of the Generals", in Sola Omoregei and Abiodun Alao (Eds.) Nigeria and the United States: Twists and Turns over 50 Years, New York: African Peace Support Publishers
2010: Introduction to Women, Peace and Security, in ‘Funmi Olonisakin, Karen Barnes and Eka Ikpe, Women, Peace and Security: Translating Policy into Practice, London: Routledge (co-authored with Karen Barnes)
2010 “Conceptualising Security Sector Transformation in Africa”, in Alan Bryden and ‘Funmi Olonisakin (eds), Security Sector Transformation in Africa, Lit Verlag, 2010 (co-authored with Alan Bryden)
2009: “UNICEF and the Office of the Special Representative of the Secretary General for Children and Armed Conflict” in Adekeye Adebajo (ed.) The United Nations and Africa, University of Kwazulu Natal Press
2009: “Children Affected by Armed Conflict: Engaging a New Constituency of Actors”, in David Nosworthy (ed.), Seen but Not Heard: Placing Children and Youth on the Security Governance Agenda, Berlin: Lit Verlag
2008: “The Challenges of Security Sector Governance in Nigeria” (co-authored with J. Kayode Fayemi) in Alan Bryden, Boubacar Ndiaye and Funmi Olonisakin (eds), The Challenges of Security Sector Governance in West Africa, Munster: Lit Verlag
2007 “Pan-African Approaches to Civilian Control and Democratic Governance”, in Victor-Yves Ghebali and Alexander Lambert (eds), Democratic Governance of the Security Sector Beyond the OSCE Region
2006: “United Kingdom-Led Security Sector Reform in Sierra Leone”, in Gordon Peake, Eric Sheye and Alice Hills (eds), London: Routledge (co-authored with Adrian Horn and Gordon Peake)
2006: “A World at War? After September 11 and the Iraq War, What Can We Learn?: An African Perspective” in War and Peace in the 21st Century, CIDOB, Barcelona, (Spanish Translation, 2007)
2006: “Humanitarians as Diplomats: The Liberian Case”, Hazel Smith and Larry Minear (eds) Humanitarian Diplomacy, Tokyo: United Nations University Press.
2006: “Conflict and Conflict Resolution in Africa”, in Pat MacGowan (ed), An International Relations Textbook for Africa Cape Town: Juta Publishers, 2006, 3rd Edition
2005: “The Roots and Scope of Gender-Based Violence”, in Marie Vlachova (ed.), Women in an Insecure World, Geneva, Centre for Democratic Control of Armed Forces
2005: “Feminist Approaches to Gender Based Violence”, in Marie Vlachova (ed.), Women in an Insecure World, Geneva, Centre for Democratic Control of Armed Forces
2005: “Explaining Disarmament and Demobilisation in Liberia”, in Anne Fitzgerald (ed.) From Conflict to Community: A Combatant’s Return to Citizenship, Cranfield: Centre for Security Management (co-authored with Abiodun Alao)
2004: “Promoting the Agenda of War-Affected Children in West Africa” in Adekeye Adebajo and Ismail Rashid (eds), The Challenges of Building Peace in West Africa, Lynne Reinner
2004: “Africa and the Regionalisation of Peace Operations” in Michael Pugh Sidhu and Waheguru Pal Singh Sidhu (eds), The United Nations and Regional Security: Europe and Beyond, Boulder: Lynne Reinner, 2004 (co-authored with Comfort Ero)
2004: “The Psychology of African Peacekeepers”, in Amy Adler and Thomas W. Britt (eds), The Psychology of the Peacekeeper: Soldiers Holding Fire, Westport CT: Greenwood Publishers.
2002: “Conflict and Conflict Resolution in Africa” in Pat MacGowan and Philip Nell (eds), An International Relations Textbook for Africa (Cape Town: Juta Publishers, 2002)
2001: “Economic Fragility and Political Fluidity: Explaining Natural Resources and Conflicts” in Adekeye Adebajo and Chandra Sriram (eds.), Managing Armed Conflicts in the 21st Century, London: Frank Cass, 2001 (co-authored with Abiodun Alao)
2000: “Conflict Management in Africa: The Role of the OAU and African sub-Regional Organizations”, in ISS Monograph 46: Building Stability in Africa: Challenges for the New Millennium, February
1999: “Arresting the Tide of Mercenaries in Africa: Prospects for Regional Control”, in J.K. Fayemi and Abdel-Fatau Musah (eds.), Mercenaries and African Conflicts, Pluto Press
1998: “Human Rights in Africa: Changing Perspectives in the Post-Cold War Period”, in Amadu Sesay and Olusola Akinrinade (eds.), Africa in the New International System, London: Cassell
1998: “State Rebuilding after State Collapse: Rethinking Security in Liberia’ in State Rebuilding, Democracy and Security in Liberia, London: CDD, 1998 (co-authored with Thomas Jaye)
1998: “Ethnicity, Ethnic Conflicts and Security in Post-Cold War Africa”, in Adebayo Oyebade and Abiodun Alao (eds.), The changing Perspective on Security in Africa, Africa World Press (co-authored with Abiodun Alao)
1995: “Liberia”, (collection of interviews), in Olivia Bennett and Jo Bexley (eds), Arms to Fight, Arms to Protect: Women Speak Out about Conflict, London: Panos.