MARTIN, Jack. The Development and Use of Classroom Observation Instruments. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 2, n. 3, p. 43–54, 1977. Disponível em: https://cje-rce.ca/index.php/cje-rce/article/view/7936. Acesso em: 13 jul. 2026.