Prytz, Johan. “Towards a New Understanding of Swedish School Reforms: A Sociological Analysis of Textbooks’ Role in Reforms of School Mathematics, 1919–1970”. Nordic Journal of Educational History 10, no. 1 (October 5, 2023): 145–169. Accessed November 16, 2024. https://journals.ub.umu.se/index.php/njedh/article/view/271.