R. OQUENDO, Ángel. Toward a European citizenship based on transnational constitutionalism and solidarity. UNIO – EU Law Journal, [S. l.], v. 6, n. 1, p. 3–11, 2020. DOI: 10.21814/unio.6.1.2702. Disponível em: https://revistas.uminho.pt/index.php/unio/article/view/2702. Acesso em: 26 apr. 2024.