FACTOR-BASED STOCK SELECTION AND MEAN-VARIANCE PORTFOLIO OPTIMIZATION: AN EMPIRICAL STUDY OF BISNIS-27. Holistic Journal of Management Research, [S. l.], v. 11, n. 2, p. 41–49, 2026. DOI: 10.33019/p6vvvh92. Disponível em: https://www.holistic.ubb.ac.id/index.php/holistic/article/view/4575. Acesso em: 3 nov. 2026.