Vallam, Rohith, Priyanka Bhatt, Debmalya Mandal, and Narahari Y. “A Stackelberg Game Approach for Incentivizing Participation in Online Educational Forums With Heterogeneous Student Population”. Proceedings of the AAAI Conference on Artificial Intelligence 29, no. 1 (February 16, 2015). Accessed August 19, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/9299.