MAZIARZ, Aleksander. UNIVERSAL SERVICES IN EU LAW IN THE ERA OF LIBERALIZATION. European Scientific Journal, ESJ, [S. l.], v. 11, n. 10, 2015. DOI: 10.19044/esj.2015.v11n10p%p. Disponível em: https://test.eujournal.org/index.php/esj/article/view/5491. Acesso em: 15 may. 2025.