VO, Duc Hong; PHAM, Thach Ngoc. Systematic Risk in Energy Businesses: Empirical Evidence for the ASEAN. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 1, p. 553–565, 2017. Disponível em: https://mail.econjournals.com/index.php/ijefi/article/view/3770. Acesso em: 22 dec. 2024.