- Simon K. S. Cheung, Lap-Kei Lee, Ivana Simonova, Tomas Kozel, Lam-for Kwok, editors, Blended Learning: Educational Innovation for Personalized Learning - 12th International Conference, ICBL 2019, Hradec Kralove, Czech Republic, July 2-4, 2019, Proceedings. Volume 11546 of Lecture Notes in Computer Science, Springer, 2019.