1. Analysing the Impact of Built-In and External Social Tools in a MOOC on Educational Technologies
2. A Model for Negotiation in Teaching-Learning Dialogues.;M. J.Baker;Journal of Artificial Intelligence in Education,1994
3. Bereiter, C., & Scardamalia, M. (2003). Learning to work creatively with knowledge.
4. Computer-based learning: The social dimensions;A.Blaye;Children helping children,1990
5. Blom, J., Verma, H., Li, N., Skevi, A., & Dillenbourg, P. (2013). MOOCs are more social than you believe. eLearning Papers.