ECOWAS, an area of free movement and first border post for the Schengen area Regional challenges of West African migration : African and European perspectives /Robin, Nelly MIGRATION INTERNATIONALE IMMIGRATION TRAVAILLEUR MIGRANT COOPERATION INTERNATIONALE ACCORD INTERNATIONAL FRONTIERE REFUGIE DROIT LEGISLATION CIRCULATION DES PERSONNES POLITIQUE MIGRATOIRE MIGRATION CLANDESTINE PAYS DE TRANSIT MIGRATION INTRAREGIONALE LIBERTE DE CIRCULATION OCDE Trémolières, M. (ed.) 2009 text https://www.documentation.ird.fr/hor/fdi:010050765 fdi:010050765 Robin Nelly, . ECOWAS, an area of free movement and first border post for the Schengen area. In : Trémolières M. (ed.), . Regional challenges of West African migration : African and European perspectives OCDE, ). 2009, 143-158 EN EUROPE AFRIQUE DE L'OUEST