Harker, W. John. “Editorial: Researchers, Curriculum Developers, and Teacher Educators”. Canadian Journal of Education Revue Canadienne De l’éducation, vol. 5, no. 1, Jan. 1980, pp. 1-5, https://cje.journals.publicknowledgeproject.org/cje/index.php/cje-rce/article/view/8059.