MAO, Zichen. Using Simplex Method to Maximize Profit for McDonald’s. Highlights in Business, Economics and Management, [S. l.], v. 45, p. 154–158, 2024. DOI: 10.54097/pygq5713. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/27428. Acesso em: 25 aug. 2026.