1.
Sun C, Raptis H, Weaver A. Crowding the Curriculum? Changes to Grades 9 and 10 Science in British Columbia, 1920-2014. CJE/RCÉ [Internet]. 2015 Aug. 24 [cited 2026 May 4];38(3):1-31. Available from: https://www.cje-rce.ca/index.php/cje-rce/article/view/1834