ROSS, John A.; SIBBALD, Timothy. The Role of External Diagnosis in School Improvement in an Ontario School District. Alberta Journal of Educational Research, [S. l.], v. 56, n. 4, p. 403–418, 2011. DOI: 10.55016/ojs/ajer.v56i4.55426. Disponível em: https://journalhosting.ucalgary.ca/index.php/ajer/article/view/55426. Acesso em: 5 dec. 2025.