Guillherme Guerino and Natasha Valentim. 2020.
 "Is anybody there?": Exploring the use and difficulties of Brazilians with Conversational Systems. In <em>The Proceedings of the 19th Brazilian Symposium on Human Factors in Computing Systems</em>, October 26, 2020, Evento Online, Brasil. SBC, Porto Alegre, Brasil, 370-375.