1. African Development Bank Group.2023.Benin - Djougou-N’dali Road Improvement Project.〈https://projectsportal.afdb.org/dataportal/VProject/show/P-BJ-DB0-010〉.
2. African Development Bank Group.2024.Data Portal: Benin.〈https://projectsportal.afdb.org/dataportal/VTopCountry/show/BJ〉.
3. Infrastructure and economic development in Africa: an overview;Ajakaiye;J. Afr. Econ.,2010
4. Impact of Regional Road Infrastructure Improvement on Intra-Regional Trade in ECOWAS;Akpan;Afr. Dev. Rev.,2014
5. Structural Transformation to Manufacturing and Services: What Role for Trade?;Anderson;Asian Dev. Rev.,2019