TORRES, R. The European recognition of professional qualifications – a legal framework for the European citizenship. UNIO – EU Law Journal, [S. l.], v. 2, p. 71–81, 2016. DOI: 10.21814/unio.2.6. Disponível em: https://revistas.uminho.pt/index.php/unio/article/view/299. Acesso em: 4 may. 2024.