EU Digital COVID Certificate and Data Protection. The Case of Poland and Austria. Discourse of Law and Administration, [S. l.], n. 4, p. 73–90, 2023. DOI: 10.34768/dpia.2022.4.299. Disponível em: https://www.dyskurs.inp.uz.zgora.pl/index.php/DPiA/article/view/299. Acesso em: 5 dec. 2025.