1. Ally, M. (2004). Foundations of educational theory for online learning. Theory and Practice of Online Learning, 2, 15–44.
2. Cole, R. A. (2000). Issues in Web-based pedagogy: A critical primer. Westport, CT: Greenwood Publishing Group.
3. Ebner, M., Lorenz, A., Lackner, E., Kopp, M., Kumar, S., Schön, S., & Wittke, A. (2016). How OER enhance MOOCs – A Perspective from German-speaking Europe. In M. Jemni, Kinshuk, & M. K. Khribi (Eds.), Open education: From OERs to MOOCs (pp. 205–220). Springer. Lecture Notes in Educational Technology.
4. Garrison, D. R., & Kanuka, H. (2004). Blended learning: Uncovering its transformative potential in higher education. The Internet and Higher Education, 7(2), 95–105.
5. Jiang, S., Williams, A., Schenke, K., Warschauer, M., & O'dowd, D., (2014). Predicting MOOC performance with week 1 behavior. In Educational Data Mining 2014.