Rodrigo Campos, Rodrigo dos Santos, and Jonice Oliveira. 2020.
 A Recommendation System Based on Knowledge Gap Identification in MOOCs Ecosystems. In <em>Proceedings of the 16th Brazilian Symposium on Information Systems</em>, November 03, 2020, Evento Online, Brasil. SBC, Porto Alegre, Brasil. DOI: <a href="https://doi.org/10.5753/sbsi.2020.13746">https://doi.org/10.5753/sbsi.2020.13746</a>.