WITKOWSKA, Janina. The Immigration Policy of the European Union: Challenges and Prospects. Conclusions for Poland. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 25, n. 2, p. 61–79, 2022. DOI: 10.18778/1508-2008.25.13. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/13828. Acesso em: 6 dec. 2025.