DŁUGOSZ, Zbigniew. Migration of population in big Polish cities as compared to smaller cities and towns in the light of selected parameters of the migration process. Bulletin of Geography. Socio-economic Series, [S. l.], n. 6, p. 33–50, 2006. DOI: 10.1515/2449. Disponível em: https://apcz.umk.pl/BGSS/article/view/2449. Acesso em: 9 jul. 2025.