Dodaro, S. (1993). Exports and Growth: A Reconsideration of Causality. The Journal of Developing Areas, 27, 227-244.
Draper, P. (2010). Rethinking the (European) Foundations of the Sub-Saharan African Regional Economic Integration: A Political Economy Essay.
OECD Development Centre Working Paper,
293, Retrieved from
https://www.oecd-ilibrary.org/docserver/5km5zrs9075k-en.pdf?expires=1591695068&id=id&accname=guest&checksum=9825E2895F47DFE78A8FD0BF9CCA2216
United Nations Economic Commission Africa. (2017). Assessing Regional Integration in Africa VIII. Bringing the Continental Free trade Area About. Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-viii
----------
(2016). Assessing Regional Integration in Africa VII: Innovation, Competitiveness and Regional Integration.
UNECA Policy Research Report, Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-vii
----------
(2014). Assessing Regional Integration in Africa VI: Harmonizing Policies to Transform the Trading Environment.
UNECA Policy Research Report, Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-vi
----------
(2012). Assessing Regional Integration in Africa V: Towards an African Continental Free Trade Area.
UNECA Policy Research Report, Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-v
----------
(2010). Assessing Regional Integration in Africa IV: Enhancing Intra-African Trade.
UNECA Policy Research Report, Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-iv
----------
(2008). Assessing Regional Integration in Africa III: Towards Monetary and Financial Integration in Africa. Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-iii
----------
(2006). Assessing Regional Integration in Africa II: Rationalizing Regional Economic Communities. Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-ii
---------- (2004). Assessing Regional Integration in Africa I. UNECA Policy Research Report. Retrieved from
https://www.uneca.org/publications/assessing-regional-integration-africa-i
Gavin, B., & De Lombaerde, P. (2005). Economic theory of Regional Integration. In Farrell, B. Hettne, and L. Van Langenhove (Ed.). Global Theory of Regionalism: Theory and Practice. London: Pluto Press.
Ghysels, E., Lee, H. S., & Noh, J. (1994). Testing for unit roots in seasonal time series: Some theoretical extensions and a Monte Carlo investigation. Journal of Econometrics, 62, 415-442.
Laursen, F. (2008). Theory and Practice of Regional Integration.
Jean Monnet/Robert Schuman Paper Series, Retrieved from
http://aei.pitt.edu/8219/1/LaursenLongSympos08RegIntegedi.pdf
Lee, M. (2002). Regionalism in Africa: A Part of Problem or a Part of Solution. Numero Special Polis, 9, 1-24.
Hartzenberg, T. (2011). Regional Integration in Africa.
World Trade Organization (WTO) Staff Working Paper, ERSD-2011-14, Retrieved from
https://www.wto.org/english/res_e/reser_e/ersd201114_e.pdf
Archawa, P., & Townsend, R. M. (2019). The Impact of Regional Isolationism: Disentangling Real and Financial Factors.
Puey Ungphakorn Institute for Economic Research, PIER Discussion Papers,109, Retrieved from
https://www.robertmtownsend.net/sites/default/files/files/papers/working_papers/Villages%20-%2022%20April%202019.pdf
Negasi, M. Y. (2009). Trade Effects of Regional Economic Integration in Africa: The Case of SADC.
Services Sector Development and Impact on Poverty Thematic Working Group, Retrieved from
http://www.tips.org.za/files/13.Trade_effects_of_Regional_Economic_Integration_-_SSD.pdf
Ogunkola, E. O. (1998). An Empirical Evaluation of Trade Potential in the Economic Community of West African States.
AERC Research Paper, 84, Retrieved from
https://aercafrica.org/wp-content/uploads/2018/07/RP84.pdf
Oyejide, A., & Njinkeu, D. (2001). Implementation of the Trade Liberalization Programs of African Regional Integration Arrangements.
Fourth Ordinary Session of the Conference of Ministers of Trade of the OAU/AEC, Abuja (Nigeria), Retrieved from
www.aercafrica.org/documents/AWTS/paper2.doc
Tanyanyiwa, V. I., & Hakuna, C. (2014). Challenges and Opportunities for Regional Integration in Africa: The Case of SADC. IOSR Journal of Humanities and Social Science, 19(12), 103-115.