1. Cook, J., Bradley, C., Lance, J., Smith, C., & Haynes, R. (2007). Generating learning contexts with mobile devices. In N. Pachler (Ed.), Mobile learning: Towards a research agenda (Vol. 1, pp. 25–38). London: WLE Centre for Excellence, Institute of Education.
2. Cress, U., & Kimmerle, J. (2008). A systemic and cognitive view on collaborative knowledge building with wikis. International Journal of Computer-Supported Collaborative Learning, 3(2), 105–122.
3. Dewey, J. (1938). Experience and education. New York: Kappa Delta Pi.
4. Dillenbourg, P., & Traum, D. (2006). Sharing solutions: persistence and grounding in multimodal collaborative problem solving. Journal of the Learning Sciences, 15(1), 121–151.
5. Dillenbourg, P., Baker, M., Blaye, A., & O’Malley, C. (1996). The evolution of research on collaborative learning. In E. Sspada, & P. Reiman (Eds.), Learning in humans and machine: Towards an interdisciplinary learning science (pp. 189–211). Oxford, UK: Elsevier.