GOUDARZI, S.; JAFARI, M. J.; AFSAR, A. A Hybrid Model for Portfolio Optimization Based on Stock Clustering and Different Investment Strategies. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 3, p. 602–608, 2017. Disponível em: https://econjournals.com/index.php/ijefi/article/view/4758. Acesso em: 16 apr. 2024.