RIKKINEN, H. Developments in the status and content of geography teaching in the secondary schools of Finland in 1770-1888. Fennia - International Journal of Geography, [S. l.], v. 160, n. 1, p. 43–93, 1982. Disponível em: https://fennia.journal.fi/article/view/9113. Acesso em: 14 may. 2024.