Pettersson, Annika, Yvonne Liljekvist, and Jorryt van Bommel. “Studying Concept Elements As a Way to Trace students’ Conceptual Understanding”. NOMAD Nordic Studies in Mathematics Education 24, no. 1 (November 19, 2024): 5–26. Accessed November 24, 2024. https://tidsskrift.dk/NOMAD/article/view/148995.