ALVES, L. V. Sub-state entities in eu law: Changes and challenges. Review of Business and Legal Sciences / Revista de Ciências Empresariais e Jurídicas, [S. l.], n. 30, p. 239–252, 2018. DOI: 10.26537/rebules.vi30.3162. Disponível em: https://parc.ipp.pt/index.php/rebules/article/view/3162. Acesso em: 17 sep. 2021.