Saxena, Mayank, Rohith Pillai, and Jack Mostow. “Relating Children’s Automatically Detected Facial Expressions to Their Behavior in RoboTutor”. Proceedings of the AAAI Conference on Artificial Intelligence 32, no. 1 (April 29, 2018). Accessed October 25, 2021. https://ojs.aaai.org/index.php/AAAI/article/view/12190.