1. Breslow, L. B., Pritchard, D. E., DeBoer, J., Stump, G. S., Ho, A. D., & Seaton, D. T. (2013). Studying learning in the worldwide classroom: Research into edX’s first MOOC. Research and Practice in Assessment, 8, 13–25.
2. Brinton, C., Chiang, M., Jain, S., Lam, H., Liu, Z., & Wong, F. (2013). Learning about social learning in MOOCs: From statistical analysis to generative model. IEEE Transactions on Learning Technologies, 7(4), 346–359.
3. Clarà, M., & Barberà, E. (2013). Learning online: Massive open online courses (MOOCs), connectivism, and cultural psychology. Distance Education, 34(1), 129–136.
4. Class Central (2016). By the numbers: MOOCs In 2015. Retrieved from https://www.class-central.com/report/moocs-2015-stats/ .
5. Clow, D. (2013). MOOCs and the funnel of participation. Proceedings of the Third International Conference on Learning Analytics and Knowledge. ACM.