@article{
  author = {Bagher zadeh, Majid, Tari, Ghaffar, Safar zadeh, Masoud},
  title = {Pathology and Determining the Causes and Constraints of Stabilizing the Management Systems in Tabriz Oil Refining Firm},
  journal = {The Journal of Productivity Management},
  year = {2009},
  volume = {3},
  number = {1},
  pages = {7-33},
  doi = {}
}