MARINHO DA SILVA, Rhoger Fellipe; CARMONA, Charles Ulises; LAGIOIA, Umbelina Cravo Teixeira. Risk Relation and the Corporative Governance Practice in the Brazilian Stock Market: an approach according to the portfolio theory by Markowitz. Review of Business Management, [S. l.], v. 13, n. 39, p. 175–192, 2011. DOI: 10.7819/rbgn.v13i39.789. Disponível em: https://rbgn.fecap.br/RBGN/article/view/789. Acesso em: 22 apr. 2026.