CHONG, J.; JENNINGS, W. P.; PHILLIPS, G. M. Finding The Beta For A Portfolio Isn’t Obvious: An Educational Example. American Journal of Business Education (AJBE), [S. l.], v. 11, n. 1, p. 15–22, 2018. DOI: 10.19030/ajbe.v11i1.10117. Disponível em: https://clutejournals.com/index.php/AJBE/article/view/10117. Acesso em: 17 jul. 2024.