K. Verbert, D. Parra, P. Brusilovsky, and E. Duval. Proceedings of the 2013 International Conference on Intelligent User Interfaces, page 351--362. New York, NY, USA, ACM, (2013)
K. Verbert, D. Parra, P. Brusilovsky, and E. Duval. Proceedings of the 2013 International Conference on Intelligent User Interfaces, page 351--362. New York, NY, USA, ACM, (2013)