EMMLER, T.; EULER, D. .; ERTL, H. Editorial: Challenging Design-Based Research . EDeR. Educational Design Research, [S. l.], v. 4, n. 1, 2020. DOI: 10.15460/eder.4.1.1557. Disponível em: https://journals.sub.uni-hamburg.de/EDeR/article/view/1557. Acesso em: 18 aug. 2022.