SZYMAŃSKA, D.; BIEGAŃSKA, J.; GIL, A. Rural Areas in Poland in The Context of Changes in Population Age Structure in 1996, 2001 and 2006. Bulletin of Geography. Socio-economic Series, [S. l.], n. 12, p. 91–107, 2009. DOI: 10.1515/v10089-009-0006-1. Disponível em: https://apcz.umk.pl/BGSS/article/view/v10089-009-0006-1. Acesso em: 9 feb. 2023.