1. Adampoulos, P. (2013) What makes a great MOOC? An interdisciplinary analysis of student retention in online courses. In Proceedings of the international conference on information systems
2. Adams, C., Yin, Y., Madriz, L. F. V., & Mullen, C. S. (2014). A phenomenology of learning large: The tutorial sphere of xMOOC video lectures. Distance Education, 35(2), 202–216
3. Alraimi, K. M., Zo, H., & Ciganek, A. P. (2015). Understanding the MOOCs continuance: The role of openness and reputation. Computers & Education, 80, 28–38
4. Anderson, T., Rourke, L., Garrison, D. R., & Archer, W. (2001). Assessing teaching presence in a computer conferencing context. Journal of Asynchronous Learning Networks, 5(2), 1–17
5. Arbaugh, J. B., & Hwang, A. (2006). Does “teaching presence” exist in online MBA courses? Internet and Higher Education, 9(1), 9–21