%0 Journal Article %A Baradaran, Vahid, Barad, Mozafar, Mohammadi, Mahya %T The Analysis of Obstacles of Developing Productivity in Main Department of Islamic republic of Iran rail road wagons based on productivity indicators and presenting an effective procedure for its promotion %J The Journal of Productivity Management %V 11 %N 2 %P 145-180 %D 2017 %R %U https://sanad.iau.ir/fa/Article/976192