Rogers, W. Todd, et al. “PITFALLS AND POTENTIAL OF SECONDARY DATA ANALYSIS OF THE COUNCIL OF MINISTERS OF EDUCATION, CANADA, NATIONAL ASSESSMENT”. Canadian Journal of Education Revue Canadienne De l’éducation, vol. 29, no. 3, Sept. 2006, p. 757‐770, https://journals.sfu.ca/cje/index.php/cje-rce/article/view/2919.