PODOGRODZKA, M. Spatial Convergence of the Index of the Old Age in Poland. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 4, n. 324, p. [51]–65, 2017. DOI: 10.18778/0208-6018.324.04. Disponível em: https://czasopisma.uni.lodz.pl/foe/article/view/553. Acesso em: 7 may. 2024.