Kirby, David, and Cathryn Boak. “Investigating Instructional Approaches in Audio-Teleconferencing Classes”. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance 4, no. 1 (March 23, 1989): 5–19. Accessed April 29, 2024. https://ijede.ca/index.php/jde/article/view/353.