e Sousa PP. Dos Desafios à Cidadania Europeia e do ’Défice Democrático’ da União: Algumas Considerações: Challenges to the European Citizenship and the ’Democratic Deficit’ of the Union: Some Considerations. PJPS [Internet]. 2014 Jun. 1 [cited 2024 May 1];12:117-36. Available from: https://www.perspectivasjournal.com/index.php/perspectivas/article/view/175