Wahlstrom M, Raphael D, McLean L. Comparative Analysis of Ontario Senior Division Mathematics Achievement 1968–82. CJE/RCÉ [Internet]. 1986 Jan. 1 [cited 2026 Oct. 11];11(2):174-9. Available from: https://cje.journals.publicknowledgeproject.org/index.php/cje-rce/article/view/8235