B. Santos, G. Assis, and T. Lima.
" Ratings and Visual Elements: a preliminary analysis focused on game design", in <em>Companion Proceedings of the 20th Brazilian Symposium on Games and Digital Entertainment</em>, Online, 2021, pp. 679-682, doi: <a href="https://doi.org/10.5753/sbgames_estendido.2021.19706">https://doi.org/10.5753/sbgames_estendido.2021.19706</a>.