Pham, Thach Ngoc, and Duc Hong Vo. “Equity Beta for Regulated Energy Businesses in Australia: A Revisit”. International Journal of Energy Economics and Policy 7, no. 6 (December 6, 2017): 11–18. Accessed December 24, 2024. https://econjournals.com.tr/index.php/ijeep/article/view/5457.