@article{
  author = {بنی مهد, بهمن, مرادزاده فرد, مهدی, زینالی, مهدی},
  title = {Effect of Audit Fee on Audit Opinion},
  journal = {Management Accounting},
  year = {2013},
  volume = {5},
  number = {15},
  pages = {41-54},
  doi = {}
}