1. Lecture Notes in Computer Science;K. Forbes-Riley,2011
2. Cocea, M., Hershkovitz, A., Baker, R.: The impact of off-task and gaming behaviors on learning: immediate or aggregate? In: Proceedings of AIED, pp. 507–514 (2009)
3. Arroyo, I., Ferguson, K., Johns, J., Dragon, T., Meheranian, H., Fisher, D., Barto, A., Mahadevan, S., Woolf, B.P.: Repairing Disengagement With Non-Invasive Interventions. In: Proceedings of AIED, pp. 195–202 (2007)
4. Lecture Notes in Computer Science;G.T. Jackson,2011
5. Lecture Notes in Computer Science;D. Rai,2012