PFLEGER, D.; LANGSTAIN, T.; UŽÍK, M. Explanatory Power of Implied and Historical Betas in Comparison. International Journal of Public Administration, Management and Economic Development, [S. l.], v. 2, n. 1, p. 8–30, 2017. Disponível em: http://www.ijpamed.eu/index.php/journal/article/view/93. Acesso em: 8 sep. 2024.