RIBEIRO, Mário Silva; 						COUTINHO, Emanuel Ferreira.
 Application of Sentiment Analysis Techniques for Text Classification in Virtual Learning Environments. <em>In</em>: CONGRESS ON TECHNOLOGIES IN EDUCATION (CTRL+E), 5.	, 2020, Evento Online.
	 
	<strong>Anais</strong> [...].
 Porto Alegre: Sociedade Brasileira de Computação, 
	2020
.
 p. 296-305. 
		DOI: <a href="https://doi.org/10.5753/ctrle.2020.11407">https://doi.org/10.5753/ctrle.2020.11407</a>.