1. Aronson, E., Patnoe, S.: The jigsaw classroom: building cooperation in the classroom, 2nd edn. Addison Wesley Longman, New York (1997)
2. Barkley, E., Cross, K.P., Major, C.H.: Collaborative Learning Techniques: A Practical Guide to Promoting Learning in Groups. Jossey Bass, San Francisco (2005)
3. Dillenbourg, P.: Over-scripting CSCL: The risks of blending collaborative learning with instructional design. In: Three Worlds of CSCL. Can we support CSCL?, pp. 61–91. Open University Nederland, Heerlen (2002)
4. Dyba, T., Dingsoyr, T., Hanssen, G.K.: Applying Systematic Reviews to Diverse Study Types: An Experience Report, 225-234 (2007)
5. Isotani, S., Inaba, A., Ikeda, M., Mizoguchi, R.: An Ontology Engineering Approach to the Realization of Theory-Driven Group Formation. International Journal on Computer-Supported Collaborative Learning 4(4), 445–478 (2009)