Bullen, M. (1999) “What’s the Difference: A Review of Contemporary Research on the Effectiveness of Distance Learning in Higher Education by Ronald Phipps and Jamie Merisotis”, International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance, 14(1), pp. 109–112. Available at: https://ijede.ca/index.php/jde/article/view/433 (Accessed: 30 November 2024).