فهرس المقالات Hamid Reza Yousefzadeh المقاله 1 - A new two-phase approach to the portfolio optimization problem based on the prediction of stock price trends 10.22034/amfa.2021.1937022.1622 Hamid Reza Yousefzade Amin Karrabi Aghileh Heydari Advances in Mathematical Finance and Applications , العدد 5 , السنة 7 , پاییز 2022