@article{
  author = {Barat, M., Tohidi, G., Sanei, M.},
  title = {Cost Efficiency Measures In Data Envelopment Analysis With Nonhomogeneous DMUs},
  journal = {International Journal of Industrial Mathematics},
  year = {2018},
  volume = {10},
  issue = {1},
  pages = {75-85},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/845293}
}