1. Ainsworth, S. (1999). The functions of multiple representations. Comput Educ, 33(2–3), 131–152.
2. Ainsworth, S. E., & Van Labeke, N. (2004). Multiple forms of dynamic representation. Learn Instr, 14(3), 241–255.
3. Bachour, K., Kaplan, F., & Dillenbourg, P. (2009). An Interactive Table for Supporting Participation Balance in Face-to-Face Collaboration. Ubicomp, 1–10. Retrieved from http://ses.telecom-paristech.fr/baker/bachour-dillenbourg.pdf .
4. Barron, B., & Darling-Hammond, L. (2008). How can we teach for meaningful learning? In L. Darling-Hammond (Ed.), Powerful Learning: What we know about teaching for understanding (pp. 11–70). San Francisco: Jossey-Bass.
5. Battocchi, A., Ben-Sasson, A., Esposito, G., Gal, E., Pianesi, F., Tomasini, D., et al. (2009). Collaborative puzzle game: A tabletop interface for fostering collaborative skills in children with autism spectrum disorders. In Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces. doi: 10.5042/jat.2010.0040 .