ZHANG, Yuxin. Optimization of Investment Portfolio of Chinese Enterprises Driven by Financial Market Phase Change Prediction: Coupling Application of TOPSIS and Markowitz Model. International Journal of Education and Social Development, [S. l.], v. 5, n. 3, p. 41–44, 2025. DOI: 10.54097/tmp34m55. Disponível em: https://ijesd.com/index.php/ijesd/article/view/320. Acesso em: 12 jul. 2026.