GZIK, Monika. Poles’ knowledge about the coordination of retirement pensions in the European Union: an empirical study. Ruch Prawniczy, Ekonomiczny i Socjologiczny, [S. l.], v. 84, n. 2, p. 227–242, 2022. DOI: 10.14746/rpeis.2022.84.2.15. Disponível em: https://pressto.amu.edu.pl/index.php/rpeis/article/view/23545. Acesso em: 19 grudz. 2024.