Richard Freitas and Glaudiney Mendonça Junior. 2021.
 Using the Five Stages of Grief on the Development of the Game Luther. In <em>Companion Proceedings of the 20th Brazilian Symposium on Games and Digital Entertainment</em>, October 18, 2021, Online, Brasil. SBC, Porto Alegre, Brasil, 255-264. DOI: <a href="https://doi.org/10.5753/sbgames_estendido.2021.19646">https://doi.org/10.5753/sbgames_estendido.2021.19646</a>.