TURSUNKHODJAYEVA SHIRIN. INVESTMENT PORTFOLIO THEORIES. Journal of Management and Economics, [S. l.], v. 3, n. 05, p. 24–29, 2023. DOI: 10.55640/jme-03-05-05. Disponível em: https://eipublication.com/index.php/jme/article/view/893. Acesso em: 23 dec. 2025.