ALTRICHTER, Herbert; GEISLER, Birgit. Classroom Development in Times of System Reform. Swiss Journal of Educational Research, Bern, v. 34, n. 1, p. 73–98, 2018. DOI: 10.24452/sjer.34.1.4876. Disponível em: https://sjer.ch/article/view/4876. Acesso em: 29 jan. 2025.