FREDERIKSEN, Lars Frode; BECK, Steen. Didactical Positions and Teacher Collaboration: Teamwork between Possibilities and Frustrations. Alberta Journal of Educational Research, [S. l.], v. 59, n. 3, p. 442–461, 2014. DOI: 10.55016/ojs/ajer.v59i3.55749. Disponível em: https://journalhosting.ucalgary.ca/index.php/ajer/article/view/55749. Acesso em: 15 dec. 2025.