WOLAŃSKA, Wioletta. Poland’s Population Ageing by Regions, in 1995-2035 Years. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], n. 291, p. 249–263, 2013. DOI: 10.18778/0208-6018.291.20. Disponível em: https://czasopisma.uni.lodz.pl/foe/article/view/27577. Acesso em: 25 feb. 2026.