Cost-Aware Prompt Engineering: A Governance Architecture for Optimizing Enterprise AI Agents. Frontiers in Computer Science and Artificial Intelligence, [S. l.], v. 5, n. 8, p. 17–24, 2026. DOI: 10.32996/jcsts.2026.5.8.2. Disponível em: https://al-kindipublishers.org/index.php/fcsai/article/view/12802. Acesso em: 7 jun. 2026.