KLASSEN, R. M.; YERDELEN, S.; DURKSEN, T. L. Measuring Teacher Engagement: Development of the Engaged Teachers Scale (ETS). Frontline Learning Research, [S. l.], v. 1, n. 2, p. 33–52, 2013. DOI: 10.14786/flr.v1i2.44. Disponível em: https://journals.sfu.ca/flr/index.php/journal/article/view/44. Acesso em: 18 apr. 2024.