PODSTAWKA, M. INCOME EFFECTS OF THE SOCIAL INSURANCE SYSTEM IN POLAND – EVALUATION. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 7, n. 1, p. 103–110, 2008. Disponível em: https://aspe.sggw.edu.pl/article/view/854. Acesso em: 22 nov. 2024.