SCHRADER, Friedrich-Wilhelm; HELMKE, Andreas. Evaluation – and than what? The results of a survey of school principals in the context of the Walzer reception study. Swiss Journal of Educational Research, Bern, v. 25, n. 1, p. 79–110, 2003. DOI: 10.24452/sjer.25.1.4648. Disponível em: https://sjer.ch/article/view/4648. Acesso em: 12 mar. 2025.