Design-Based Research (DBR) in Teacher Education: Technological-Pedagogical Fluency with Open Educational Resources (OER). EDeR. Educational Design Research, [S. l.], v. 9, n. 1, 2025. DOI: 10.15460/eder.9.1.2147. Disponível em: https://journals.sub.uni-hamburg.de/EDeR/article/view/2147. Acesso em: 30 may. 2026.