Alam, Nazia, et al. “Does Knowing When Help Is Needed Improve Subgoal Hint Performance in an Intelligent Data-Driven Logic Tutor?”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 37, no. 13, July 2024, pp. 15895-02, doi:10.1609/aaai.v37i13.26887.