WYSZKOWSKA-KUNA, Joanna. Activity of Polish Service Providers after Poland’s Accession to the European Union. Comparative Economic Research. Central and Eastern Europe, Poland, v. 10, n. 3, p. 25–48, 2007. DOI: 10.18778/1508-2008.10.11. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/29772. Acesso em: 8 aug. 2026.