Jesiel da Silva and Gustavo Henrique Alexandre. 2020.
 A Collaborative Virtual Environment for PBL Teaching Planning in Computer Education. In <em>Proceedings of the 28th Workshop on Computing Education</em>, June 30, 2020, Cuiabá, Brasil. SBC, Porto Alegre, Brasil, 41-45. DOI: <a href="https://doi.org/10.5753/wei.2020.11126">https://doi.org/10.5753/wei.2020.11126</a>.