%0 Journal Article %A Iranzadeh, Soleyman, Bagheri, Davood, Azarkasb, Asgar %T Presenting a Fuzzy Tree Appraisal Model to Investigate the Systems of the Performance Appraisal of the Employees and to Select the Right Appraisal System for East Azerbaijan Branches of Islamic Azad University %J The Journal of Productivity Management %V 5 %N 2 %P 53-90 %D 2011 %R %U https://sanad.iau.ir/fa/Article/976015