Wettergren, Sanna, Inger Eriksson, and Torbjörn Tambour. “Yngre Elevers Uppfattningar Av Det Matematiska I Algebraiska Uttryck: Younger students’ Conceptions of the Mathematics in Algebraic Expressions”. LUMAT: International Journal on Math, Science and Technology Education 9, no. 1 (January 13, 2021): 1–28. Accessed December 5, 2024. https://journals.helsinki.fi/lumat/article/view/1377.