STEFIK, M.; BOBROW, D. G.; MITTAL, S. Knowledge Programming in Loops. AI Magazine, [S. l.], v. 4, n. 3, p. 3, 1983. DOI: 10.1609/aimag.v4i3.400. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/400. Acesso em: 28 mar. 2024.