Otávio Azevedo and Patrícia Jaques. 2019.
 Studying the Impact of Pedagogical Agents' Attitudes in Learning Environments: a Systematic Mapping. In <em>Proceedings of the 30th Brazilian Symposium on Computers in Education</em>, November 11, 2019, Brasília/DF, Brasil. SBC, Porto Alegre, Brasil, 1191-1200. DOI: <a href="https://doi.org/10.5753/cbie.sbie.2019.1191">https://doi.org/10.5753/cbie.sbie.2019.1191</a>.