K. Rivers, E. Harpstead, и K. Koedinger. Proceedings of the 2016 ACM Conference on International Computing Education Research - ICER \textquotesingle16, ACM Press, (2016)
S. Lallé, D. Toker, C. Conati, и G. Carenini. Proceedings of the 20th International Conference on Intelligent User Interfaces, стр. 357--368. New York, NY, USA, ACM, (2015)