Ma, Xin, and Don Klinger. “Hierarchical Linear Modelling of Student and School Effects on Academic Achievement”. Canadian Journal of Education/Revue canadienne de l’éducation 25, no. 1 (March 2, 2000): 41–55. Accessed May 7, 2026. https://cje-rce.ca/index.php/cje-rce/article/view/2772.