FLAGA, Małgorzata. Contemporary demographic processes in the western borderland of Ukraine. Bulletin of Geography. Socio-economic Series, [S. l.], n. 6, p. 51–66, 2006. DOI: 10.1515/2450. Disponível em: https://apcz.umk.pl/BGSS/article/view/2450. Acesso em: 3 mar. 2025.