TY - JOUR AU - Rezaei hezaveh, Elham AU - Fallahnejad, Reza AU - Sanei, Masoud AU - Izadikhah, Mohammad TI - 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) JO - Journal of New Researches in Mathematics VL - 6 IS - 4 SP - 145 EP - 158 PY - 2020 DO - ER -