TIAN, Yixin. A Simple Study of the Applicability of the Markowitz Model in the Current Stock Market. BCP Business & Management, [S. l.], v. 44, p. 527–536, 2023. DOI: 10.54691/bcpbm.v44i.4882. Disponível em: https://bcpublication.org/index.php/BM/article/view/4882. Acesso em: 4 sep. 2026.