TY  - JOUR
AU  - Sharifi, M.
AU  - Tohidi, GH.
AU  - Daneshian, B.
AU  - Modarres khiyabani, F.
TI  - A new non oriented models for calculating the efficiency of decision-making units in the presence of flexible variables
JO  - Journal of New Researches in Mathematics
VL  - 4
IS  - 3
SP  - 19
EP  - 30
PY  - 2018
DO  - 
ER  -