WANG, Xinyue. Graphical Analysis of the Markowitz Model under Different Constraints. Highlights in Business, Economics and Management, [S. l.], v. 24, p. 2437–2444, 2024. DOI: 10.54097/78pqnz05. Disponível em: https://drpress.org/ojs/index.php/HBEM/article/view/16776. Acesso em: 15 jul. 2025.