A superior active portfolio optimization model for stock exchange. Periodicals of Engineering and Natural Sciences, [S. l.], v. 10, n. 2, p. 41–53, 2022. DOI: 10.21533/pen.v10.i2.578. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/578. Acesso em: 10 jun. 2026.