Lönngren, Johanna, Katerina Pia Günter, Somayeh Ebrahimi Nejad Rafsanjani, and Maria Berge. “Emotion Norms in Engineering Education: More Diverse Than Expected”. Proceedings from the International Research Symposium on Problem-Based Learning (IRSPBL) (November 14, 2025). Accessed January 9, 2026. https://journals.aau.dk/index.php/IRSPBL/article/view/11106.