Sheffield, Edward F. “Characteristics of Effective Teaching in Canadian Universities- An Analysis Based on the Testimony of a Thousand Graduates”. Canadian Journal of Higher Education/La Revue canadienne d’enseignement supérieur 4, no. 1 (June 30, 1974): 7–29. Accessed May 20, 2024. https://journals.sfu.ca/cjhe/index.php/cjhe/article/view/182591.