Nicolau Jofilsan <em>et al. </em>2021.
 Ranking Gamers by Patterns of their Facial Expressions. In <em>Companion Proceedings of the 20th Brazilian Symposium on Games and Digital Entertainment</em>, October 18, 2021, Online, Brasil. SBC, Porto Alegre, Brasil, 796-805. DOI: <a href="https://doi.org/10.5753/sbgames_estendido.2021.21516">https://doi.org/10.5753/sbgames_estendido.2021.21516</a>.