1. Africa Infrastructure Country Diagnostic, 2010. Infrastructure de la République Côte d’Iviore : Une perspective continentale. http://siteresources.worldbank.org/INTAFRICA/Resources/AICD-RC_Country_Report-FR.pdf.
2. African Development Bank, 2015. Somalia transport sector needs assessment and investment programme. https://www.afdb.org/fileadmin/uploads/afdb/Documents/Publications/Somalia_Transport_Sector_Needs_Assessment_and_Investment_Programme.pdf.
3. African Development Bank, 2019. Cross-border road corridors, Retrieved October 14, 2022, from https://www.afdb.org/en/documents/document/cross-border-road-corridors-109949.
4. Hinterland intermodal freight flow optimization for ports competition evidence of West Africa ECOWAS Region;Allate;Open J. Appl. Sci.,2019
5. American Digital Cartography Inc, 2020. ADC WorldMap Version 7.7.