LEVITT, T. S.; HORVITZ, E. J. Review of Heuristics: Intelligent Search Strategies for Computer Problem Solving. AI Magazine, [S. l.], v. 8, n. 1, p. 81, 1987. DOI: 10.1609/aimag.v8i1.578. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/578. Acesso em: 25 apr. 2024.