MUILU, Toivo; RUSANEN, Jarmo; NAUKKARINEN, Arvo. Supporters and dependants: the concept of economic dependency ratio as an indicator of changes in regional structures in Finland in 1989-1997. Fennia - International Journal of Geography, [S. l.], v. 179, n. 1, p. 71–87, 2001. Disponível em: https://fennia.journal.fi/article/view/9184. Acesso em: 8 dec. 2025.