Goudarzi, S., Jafari, M. J. and Afsar, A. (2017) “A Hybrid Model for Portfolio Optimization Based on Stock Clustering and Different Investment Strategies”, International Journal of Economics and Financial Issues, 7(3), pp. 602–608. Available at: https://econjournals.com/index.php/ijefi/article/view/4758 (Accessed: 22 November 2024).