MOTA, M. M.; AQUINO, T. C.; SOARES, I. Financial crisis: Understanding effects on European electric utilities performance. International Journal of Sustainable Energy Planning and Management, Aalborg, Denmark, v. 18, p. 53–68, 2018. DOI: 10.5278/ijsepm.2018.18.4. Disponível em: https://journals.aau.dk/index.php/sepm/article/view/1964. Acesso em: 2 may. 2024.