Dahl, Bettina, Søren Hansen, Jette Schaarup, Lena Lindenskov, and Frank Justesen. “Working in a Problem-Based Manner With Mathematics and Crafts Gives Meaning to Mathematics at Danish Vocational Schools ”. Proceedings from the International Research Symposium on Problem-Based Learning (IRSPBL) (November 14, 2025). Accessed March 11, 2026. https://journals.aau.dk/index.php/IRSPBL/article/view/11118.