TY  - JOUR
AU  - Shahkooeei, M.
AU  - Balf, F. Rezai
AU  - Rabbani, M.
AU  - Jelodar, M. Fallah
TI  - Role of flexible data in evaluation productivity and cost efficiency using data envelopment analysis
JO  - RAIRO. Operations Research
PY  - 2022
SP  - 4113
EP  - 4127
VL  - 56
IS  - 6
PB  - EDP-Sciences
UR  - https://www.numdam.org/articles/10.1051/ro/2022181/
DO  - 10.1051/ro/2022181
LA  - en
ID  - RO_2022__56_6_4113_0
ER  -