Kilhamn, Cecilia, and Ann-Sofi Röj-Lindberg. “Algebra teachers’ Questions and Quandaries – Swedish and Finnish Algebra Teachers Discussing Practice”. NOMAD Nordic Studies in Mathematics Education 24, no. 3-4 (November 1, 2019): 153–171. Accessed January 7, 2025. https://tidsskrift.dk/NOMAD/article/view/149040.