BRATKO, I.; SUC, D. Learning Qualitative Models. AI Magazine, [S. l.], v. 24, n. 4, p. 107, 2003. DOI: 10.1609/aimag.v24i4.1734. Disponível em: https://ojs.aaai.org/index.php/aimagazine/article/view/1734. Acesso em: 26 jan. 2021.