Ballen, Cissy J, Marie Danielsen, Christian Jørgensen, John-Arvid Grytnes, and Sehoya Cotner. “Norway’s Gender Gap: Classroom Participation in Undergraduate Introductory Science”. Nordic Journal of STEM Education 1, no. 1 (November 15, 2017): 262-270. Accessed April 4, 2025. https://www.ntnu.no/ojs/index.php/njse/article/view/2325.