Skolnik, Michael. “The Origin and Evolution of an Anomalous Academic Credential: The Ontario College Advanced Diploma”. Canadian Journal of Higher Education 53, no. 1 (August 21, 2023): 1–15. Accessed May 1, 2026. https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/189949.