Emmler, Tina, and Petra Frehe-Halliwell. “The Epistemological Relevance of Case Studies As Narratives in Design-Based Research”. EDeR. Educational Design Research 4, no. 1 (September 30, 2020). Accessed July 3, 2024. https://journals.sub.uni-hamburg.de/EDeR/article/view/1453.