CHRISTENSEN, Torben Spanget. Samfundsfag i Danmark - et overblik . Nordidactica. Journal of Humanities and Social Science Education, [S. l.], v. 13, n. 2023:1 Jubileum, p. 35–53, 2023. Disponível em: https://journals.lub.lu.se/nordidactica/article/view/24466. Acesso em: 8 dec. 2025.