@article{
  author = {Sadri, S., Rostamy Malkhalifeh, M., Shoja, N.},
  title = {A New Method for Optimization of Inefficient Cost Units In The Presence of Undesirable ‎Outputs‎},
  journal = {International Journal of Industrial Mathematics},
  year = {2018},
  volume = {10},
  issue = {4},
  pages = {331-338},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/845364}
}