1. AllenE.SeamanJ. (2017). Digital Learning Compass: Distance Education Enrollment Report 2017. Babson Survey Research Group, e-Literate & WCET.
2. Michael Allen's Guide to e-Learning
3. Athey, J. (2012). 4 Trends in Online Training & e-Learning in 2012. Retrieved from Learning Technologies: http://www.trainingindustry.com/learning-technologies/articles/4-trends-in-online-trainingelearning-in-2012.aspx
4. CCK08 - The Distributed Course. (2008). Retrieved from The MOOC Guide: https://sites.google.com/site/themoocguide/3-cck08---the-distributed-course
5. Cormier, D. (2008). The Original MOOCs. Retrieved from Canvas Network: https://learn.canvas.net/courses/4/pages/the-original-moocs