J. Barria-Pineda, and P. Brusilovsky. Proceedings of the 24th International Conference on Intelligent User Interfaces: Companion, page 103--104. New York, NY, USA, ACM, (2019)
N. Chan, A. Roussanaly, and A. Boyer. Open Learning and Teaching in Educational Communities, volume 8719 of Lecture Notes in Computer Science, Springer International Publishing, (2014)
K. Niemann, and M. Wolpers. Open Learning and Teaching in Educational Communities, volume 8719 of Lecture Notes in Computer Science, Springer International Publishing, (2014)
S. Fazeli, B. Loni, H. Drachsler, and P. Sloep. Open Learning and Teaching in Educational Communities, volume 8719 of Lecture Notes in Computer Science, Springer International Publishing, (2014)