PIOTROWSKI, M. State Policy Addressing Illegal Foreign Employment in Poland. Olsztyn Economic Journal, [S. l.], v. 13, n. 3, p. 337–347, 2018. DOI: 10.31648/oej.2757. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/2757. Acesso em: 25 apr. 2024.