Barbour, Michael K. “Principles of Effective Web-Based Content for Secondary School Students: Teacher and Developer Perceptions”. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance 21, no. 3 (January 4, 2007): 93–114. Accessed November 24, 2024. https://ijede.ca/index.php/jde/article/view/30.