D. Aguiar and M. Arrais e Silva.
" Empirical approach to the evaluation of a linguistic exercise application using voice interface", in <em>Proceedings of the 13th Workshop on Aspects of Human-Computer Interaction for the Social Web</em>, Diamantina, 2022, pp. 1-8, doi: <a href="https://doi.org/10.5753/waihcws.2022.226457">https://doi.org/10.5753/waihcws.2022.226457</a>.