FOX, M. S.; GRUNINGER, M. Enterprise Modeling. AI Magazine, [S. l.], v. 19, n. 3, p. 109, 1998. DOI: 10.1609/aimag.v19i3.1399. Disponível em: https://ojs.aaai.org/index.php/aimagazine/article/view/1399. Acesso em: 2 dec. 2020.