RUS, V.; D’MELLO, S.; HU, X.; GRAESSER, A. Recent Advances in Conversational Intelligent Tutoring Systems. AI Magazine, [S. l.], v. 34, n. 3, p. 42-54, 2013. DOI: 10.1609/aimag.v34i3.2485. Disponível em: https://ojs.aaai.org/index.php/aimagazine/article/view/2485. Acesso em: 20 sep. 2021.