Sunde, P., Pind, P. og Sunde, P. (2024) “Perceived difficulty of numbers relates to self-reported achievement in adults”, MONA - Matematik- og Naturfagsdidaktik, 24(Særnummer), s. 11. Tilgængelig hos: https://tidsskrift.dk/mona/article/view/150689 (Set: 21 november 2024).