1. Chafkin M. Udacity's Sebastian Thrun Godfather of Free Online Education Changes Course. Fast Company (December 2013). Chafkin M. Udacity's Sebastian Thrun Godfather of Free Online Education Changes Course. Fast Company (December 2013).
2. Jordan K. MOOC Completion Rates: The Data. http://www.katyjordan.com/MOOCproject.html. Accessed: January 2 2014. Jordan K. MOOC Completion Rates: The Data. http://www.katyjordan.com/MOOCproject.html. Accessed: January 2 2014.
3. Kizilcec R. F. Piech C. and Schneider E. Deconstructing disengagement: Analyzing learner subpopulations in massive open online courses. In nProceedings of Third Conference on Learning Analytics and Knowledge (2013). 10.1145/2460296.2460330 Kizilcec R. F. Piech C. and Schneider E. Deconstructing disengagement: Analyzing learner subpopulations in massive open online courses. In nProceedings of Third Conference on Learning Analytics and Knowledge (2013). 10.1145/2460296.2460330
4. -2012;Liyanagunawardena T.;The International Review of Research in Open and Distance Learning,2008
5. Perna L. Ruby A. Boruch R. Wang N. Scull J. Evans C. and Ahmad S. The Life Cycle of a Million MOOC Users. Presentation at the MOOC Research Initiative Conference December 5 2013. Perna L. Ruby A. Boruch R. Wang N. Scull J. Evans C. and Ahmad S. The Life Cycle of a Million MOOC Users. Presentation at the MOOC Research Initiative Conference December 5 2013.