STEFFES, D. W. . How Energy Prices Are Set Today. Strategic Planning for Energy and the Environment, [S. l.], v. 20, n. 3, p. 7–11, 2023. Disponível em: https://journals.riverpublishers.com/index.php/SPEE/article/view/20465. Acesso em: 28 apr. 2026.