OPPL, S.; STARY, C.; OPPL, S. On the Ambiguous Nature of Theory in Educational Design-based Research – Reflecting and Structuring from an IS Perspective . EDeR. Educational Design Research, [S. l.], v. 6, n. 1, 2022. DOI: 10.15460/eder.6.1.1808. Disponível em: https://journals.sub.uni-hamburg.de/EDeR/article/view/1808. Acesso em: 4 mar. 2024.