%0 Journal Article %A Forootan chehr, shahab, aghasi, saeid, davoodi, sayyed mohammad reza %T Provide a two-stage mathematical model for evaluating and selecting a project portfolio %J Financial Engineering and Portfolio Management %V 13 %N 53 %P 1-15 %D 2022 %R %U https://sanad.iau.ir/fa/Article/1079007