DŁUGOSZ, Z. Population ageing in towns of the Małopolskie voivodeship as concerns economic activity. Bulletin of Geography. Socio-economic Series, [S. l.], n. 3, p. 125–134, 2004. DOI: 10.1515/2515. Disponível em: https://apcz.umk.pl/BGSS/article/view/2515. Acesso em: 18 jul. 2024.