P. Inventado, und P. Scupelli. Proceedings of the 20th European Conference on Pattern Languages of Programs, Seite 14:1--14:13. New York, NY, USA, ACM, (2015)
M. Raca, und P. Dillenbourg. Proceedings of the 2014 ACM workshop on Multimodal Learning Analytics Workshop and Grand Challenge, Seite 13--20. ACM, (2014)