P. Brusilovsky, J. Ahn, T. Dumitriu, and M. Yudelson. Proceedings of the conference on Information Visualization, page 142--150. Washington, DC, USA, IEEE Computer Society, (2006)
T. Käser, S. Klingler, A. Schwing, and M. Gross. volume 8474 of Lecture Notes in Computer Science, page 188--198. Springer International Publishing, (2014)
S. Gross, B. Mokbel, B. Hammer, and N. Pinkwart. volume 8474 of Lecture Notes in Computer Science, page 340--347. Springer International Publishing, (2014)
W. Jin, A. Corbett, W. Lloyd, L. Baumstark, and C. Rolka. Intelligent Tutoring Systems, volume 8474 of Lecture Notes in Computer Science, Springer International Publishing, (2014)
D. Armendariz, Z. MacHardy, and D. Garcia. Proceedings of the First ACM Conference on Learning @ Scale Conference, page 141--142. New York, NY, USA, ACM, (2014)
A. Vihavainen, J. Helminen, and P. Ihantola. Proceedings of the 14th Koli Calling International Conference on Computing Education Research, page 109--116. New York, NY, USA, ACM, (2014)
S. Risco, and J. Reye. Proceedings of the Fourteenth Australasian Computing Education Conference - Volume 123, page 131--140. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2012)
R. Sharrock, E. Hamonic, M. Hiron, and S. Carlier. Proceedings of the Fourth (2017) ACM Conference on Learning @ Scale, page 147--148. New York, NY, USA, ACM, (2017)