Mateus Souza, Cristiane Targa, and Carlos Silva. 2022.
 A Research on the Perception of Emergency Remote Teaching at Federal Institutes based on Opinion Mining . In <em>Proceedings of the 9th National Computing Meeting of Federal Institutes</em>, July 31, 2022, Niterói, Brasil. SBC, Porto Alegre, Brasil, 53-60. DOI: <a href="https://doi.org/10.5753/encompif.2022.223080">https://doi.org/10.5753/encompif.2022.223080</a>.