KWIATKOWSKI, Eugeniusz. Accession to European Union and the Polish Labour Market. Comparative Economic Research. Central and Eastern Europe, Poland, v. 7, n. 1-2, p. 30–56, 2004. DOI: 10.18778/1508-2008.7.02. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/30052. Acesso em: 10 aug. 2026.