FRIDMAN, D. M. . Cogeneration Efficiencies and Economics. Distributed Generation & Alternative Energy Journal, [S. l.], v. 17, n. 1, p. 71–78, 2002. DOI: 10.13052/dgaej2156-3306.1718. Disponível em: https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14521. Acesso em: 14 may. 2026.