1. The Cognitive Tutor Authoring Tools (CTAT): Preliminary Evaluation of Efficiency Gains
2. Ioannis Anastasopoulos. 2023. Exploring the Content Ecosystem of the First Open-source Adaptive Tutor and its Applications on Intelligent Textbooks. (2023).
3. Aaron Bangor, Philip T Kortum, and James T Miller. 2008. An empirical evaluation of the system usability scale. Intl. Journal of Human–Computer Interaction 24, 6 (2008), 574–594.
4. John Brooke. 1996. Sus: a “quick and dirty’usability. Usability evaluation in industry 189, 3 (1996), 189–194.
5. Peter Brusilovsky Sergey A Sosnovsky Michael Yudelson and Girish Chavan. 2005. Interactive Authoring Support for Adaptive Educational Systems.. In AIED. 96–103.