STEFFES, D. W. . A New World Energy Model An Energy Guide to the 21 st Century. Distributed Generation & Alternative Energy Journal, [S. l.], v. 16, n. 1, p. 49–53, 2001. DOI: 10.13052/dgaej2156-3306.1617. Disponível em: https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14599. Acesso em: 3 jul. 2026.