editors, Vincent Dujardin, Éric Bussière, Piers Ludlow, Federico Romero, Dieter Schlenker and Antonio Varsori, in collaboration with Sophie Kaisin, preface by Jean-Claude JunckerPublications Office of the European Union2019<A163-D105>
European Commission, Directorate-General for Employment, Social Affairs and Inclusion, Directorate APublications Office of the European Union<Z61-E128>