HEFFNER, Krystian; SOLGA, Brygida. Factors Shaping the Economic Migrations after Accession of Poland to the European Union. Bulletin of Geography. Socio-economic Series, [S. l.], n. 3, p. 115–123, 2004. DOI: 10.1515/2514. Disponível em: https://apcz.umk.pl/BGSS/article/view/2514. Acesso em: 8 jul. 2025.