D. Renzel, R. Klamma, M. Kravcik, and A. Nussbaumer. Advances in Web-Based Learning -- ICWL 2015, volume 9412 of Lecture Notes in Computer Science, Springer International Publishing, (2015)
D. Renzel, R. Klamma, M. Kravcik, and A. Nussbaumer. Advances in Web-Based Learning -- ICWL 2015, volume 9412 of Lecture Notes in Computer Science, Springer International Publishing, (2015)