Diffey, Norman. “Second-Language Curriculum Models and Program Design: Recent Trends in North America”. Canadian Journal of Education/Revue canadienne de l’éducation 17, no. 2 (June 22, 1992): 208–219. Accessed May 15, 2026. https://cje-rce.ca/index.php/cje-rce/article/view/2633.