Jurewitsch, Brian. “A Mixed-Methods Systematic Review of Online Versus Face-to-Face Problem-Based Learning”. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance 26, no. 2 (August 7, 2012). Accessed May 6, 2024. https://www.ijede.ca/index.php/jde/article/view/787.