Empirical Analysis of the Risk-Return Characteristics of the Quoted Firms in the Nigerian Stock Market. Global Journal of Management and Business Research, [S. l.], v. 11, n. 8, p. 53–60, 2011. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/534. Acesso em: 2 sep. 2026.