%0 Journal Article %A Rezaei hezaveh, Elham, Fallahnejad, Reza, Sanei, Masoud, Izadikhah, Mohammad %T 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) %J Journal of New Researches in Mathematics %V 6 %N 4 %P 145-158 %D 2020 %R %U https://sanad.iau.ir/fa/Article/797845