TY  - JOUR
AU  - صادقی گاوگانی, صبا
AU  - valizadeh oghani, akbar
TI  - Evaluation of Cross efficiency in secondary schools of Sarab city with the variable returns to scale and constant returns to  Scale
JO  - Journal of Operations Management
VL  - 4
IS  - 14
SP  - 
EP  - 
PY  - 2025
DO  - 
ER  -