Source: https://www.afdb.org/fileadmin/uploads/afdb/Documents/Procurement/Corporate-Procurement/DOCUMENT%20DE%20PREQUALIFICATION%20_%20AGENCES%20DE%20VOYAGES%20POUR%20LES%20BUREAUX%20EXTERIEURS%20DE%20LA%20BANQUE%20AFRICAINE%20DE%20DEVELOPPEMENT%20_%20Version%20fran%C3%A7aise%20_Final%20version.pdf