@article{RO_2022__56_4_2067_0,
     author = {Moosavi, Seyed Rahim and Valami, Hadi Bagherzadeh},
     editor = {Mahjoub, A. Ridha and Laghrib, A. and Metrane, A.},
     title = {Congestion and non-congestion areas: identify and measure congestion in {DEA}},
     journal = {RAIRO. Operations Research},
     pages = {2067--2092},
     year = {2022},
     publisher = {EDP-Sciences},
     volume = {56},
     number = {4},
     doi = {10.1051/ro/2022093},
     mrnumber = {4450248},
     zbl = {1492.90086},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2022093/}
}