PHAM, T. N.; VO, D. H. Equity Beta for Regulated Energy Businesses in Australia: A Revisit. International Journal of Energy Economics and Policy, [S. l.], v. 7, n. 6, p. 11–18, 2017. Disponível em: https://econjournals.com/index.php/ijeep/article/view/5457. Acesso em: 4 may. 2024.