WOŹNIAK, Katarzyna. The Diversity of the Intensity of Foreign Migration (with the Example of Voivodeships in Poland). Studia Oeconomica Posnaniensia, Poznan, Polska, v. 5, n. 5, p. 139–157, 2017. DOI: 10.18559/tjenzw44. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3625. Acesso em: 3 sep. 2026.