TY  - JOUR
AU  - Khezri, Somayeh
AU  - Dehnokhalaji, Akram
AU  - Hosseinzadeh Lotfi, Farhad
TI  - A full investigation of the directional congestion in data envelopment analysis
JO  - RAIRO. Operations Research
PY  - 2021
SP  - S571
EP  - S591
VL  - 55
PB  - EDP-Sciences
UR  - https://www.numdam.org/articles/10.1051/ro/2019092/
DO  - 10.1051/ro/2019092
LA  - en
ID  - RO_2021__55_S1_S571_0
ER  -