E. Rolf, O. Knutsson, and R. Ramberg. European Conference on Technology Enhanced Learning, volume 10474 of Lecture Notes in Computer Science, page 584-587. Springer, Springer, (2017)
O. Sagy, and Y. Kali. Proceedings of the 9th Chais Conference for the Study of Innovation and Learning Technologies: Learning in the Technological Era, (2014)