TY  - JOUR
AU  - Gerami, Javad
TI  - presentation of a two stages method to determine the suitable benchmark and return to scale (case study: girls high school of one zone shiraz city)
JO  - Journal of New Researches in Mathematics
VL  - 5
IS  - 2
SP  - 119
EP  - 144
PY  - 2019
DO  - 
ER  -