Osterberg, Johannes, Marc Motyka, Johannes Gerken, and Frank Lipowsky. “The Interrelation of Opportunities to Learn and Professional Knowledge in Teacher Training – a Question of Intensity?”. Swiss Journal of Educational Research 40, no. 3 (February 6, 2019): 641–662. Accessed December 22, 2024. https://sjer.ch/article/view/6633.