@article{
  author = {Maghbouli, Mahnaz, Eini, Mahdi, Taher, Farhad},
  title = {Efficiency Evaluation in Presence of Undesirable and Negative Factors},
  journal = {Iranian Journal of Optimization},
  year = {2020},
  volume = {12},
  number = {2},
  pages = {241-248},
  doi = {}
}