1. African Development Bank(2019). ‘West Africa Economics Outlook’.
2. African Union(2019). ‘African regional integration report’.
3. African Union(2020). ‘Agreement Establishing African Continental Free Trade Area’ https://au.int/fr/file/573298
4. Agbodji A.(2008).The Impact of Subregional Integration on Bilateral Tarde: The Case of UEMOA AERC Research Paper 186.
5. Armington P.(1969). ‘A Theory of Demand for Products Distinguished by Place of Production’ IMF Staff Papers XVI(1).