A. MAJ, Elżbieta. THE ESSENCE OF SOCIAL SECURITY SYSTEM IN POLAND. Scientific Journal of Bielsko-Biala School of Finance and Law, Bielsko-Biała, PL, v. 6, n. 1, p. 100–139, 2015. DOI: 10.5604/01.3001.0012.2619. Disponível em: https://asej.eu/index.php/asej/article/view/515. Acesso em: 21 nov. 2024.