@article{
  author = {Rezaei hezaveh, Elham, Fallahnejad, Reza, Sanei, Masoud, Izadikhah, Mohammad},
  title = {Introducing a new inefficiency source due to inappropriate price selection in a Non-Competitive Environment in Data Envelopment Analysis (a case study in the Imam Khomeini Oil Refinery Company of Shazand in Iran)},
  journal = {Journal of New Researches in Mathematics},
  year = {2020},
  volume = {6},
  number = {4},
  pages = {145-158},
  doi = {}
}