Carvalho, Catarina de Oliveira2016-12-232016-12-232016CARVALHO, Catarina de Oliveira - Outsourcing and Chain Supply in Portugal. IUSLabor – Revista electrònica de Dret del Treball i de la Seguretat Social, Comparative Labor Law Dossier. ISSN 1699-2938. 2016 nº3, 49-57http://hdl.handle.net/10400.14/21160engjournal article