T. Kautzmann, G. Ramos, and P. Jaques.
" The effects of using student knowledge estimation in computer programming on sensor-free models of emotion confusion detection", in <em>Companion Proceedings of the 11th Brazilian Congress on Computers in Education</em>, Manaus, 2022, pp. 33-34, doi: <a href="https://doi.org/10.5753/cbie_estendido.2022.226387">https://doi.org/10.5753/cbie_estendido.2022.226387</a>.