VIRTA, Arja. Finska kriget 1808–1809 i svenska och finska gymnasieböcker i historia. Nordidactica. Journal of Humanities and Social Science Education, [S. l.], v. 2, n. 2012:1, p. 54–79, 2012. Disponível em: https://journals.lub.lu.se/nordidactica/article/view/18933. Acesso em: 15 mar. 2025.