E. Scheffel and C. Motta.
" Collaboration and reward system in digital game to motivate learning in basic education", in <em>Companion Proceedings of the 18th Brazilian Symposium on Collaborative Systems</em>, Rio de Janeiro/RJ, 2023, pp. 117-120, doi: <a href="https://doi.org/10.5753/sbsc_estendido.2023.206021">https://doi.org/10.5753/sbsc_estendido.2023.206021</a>.