%0 Journal Article %A Foroughnejad, Heidar, Masoomi Khanegha, Ghader, Mirzaei, Manochehr %T Efficiency Evaluation and Rating of registerd brokerage firms of Tehran Stock Exchange Using data envelopment analysis (DEA) %J Journal of Investment Knowledge %V 2 %N 8 %P 175-198 %D 2013 %R %U https://sanad.iau.ir/fa/Article/844144