RIKKINEN, H. Developments in the status and content of geography teaching in the secondary schools of Finland in 1888-1977. Fennia - International Journal of Geography, [S. l.], v. 160, n. 2, p. 313–383, 1982. Disponível em: https://fennia.journal.fi/article/view/9120. Acesso em: 15 may. 2024.