SANDHOLM, T.; LESSER, V. Leveled-Commitment Contracting: A Backtracking Instrument for Multiagent Systems. AI Magazine, [S. l.], v. 23, n. 3, p. 89, 2002. DOI: 10.1609/aimag.v23i3.1659. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1659. Acesso em: 23 apr. 2024.