@article{ author = {Baradaran, Vahid, Barad, Mozafar, Mohammadi, Mahya}, title = {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}, journal = {The Journal of Productivity Management}, year = {2017}, volume = {11}, issue = {2}, pages = {145-180}, doi = {}, url = {https://sanad.iau.ir/fa/Article/976192} }