IAZZOLINO, G.; GABRIELE, R. Energy Efficiency and Sustainable Development: An Analysis of Financial Reliability in Energy Service Companies Industry. International Journal of Energy Economics and Policy, [S. l.], v. 6, n. 2, p. 222–233, 2016. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/1926. Acesso em: 29 mar. 2024.