GÓRECKA, S.; KOZIEŁ, R. POPULATION AGEING IN LOWER SILESIA: TRENDS AND REGIONAL DIFFERENCES. Economic and Environmental Studies, [S. l.], v. 5, p. 227–237, 2021. Disponível em: https://czasopisma.uni.opole.pl/index.php/ees/article/view/3472. Acesso em: 22 nov. 2024.