Efficiency and Return to Scale of Two-Stage network in Data Envelopment Analysis Using Additive Model
Subject Areas : International Journal of Data Envelopment AnalysisMahboobeh Joghataie 1 , Farhad Hosseinzadeh lotfi 2 , Tofigh Allahviranloo 3
1 - IAU
2 - Department of Mathematics,Science and Research Branch, IAU, Tehran, Iran
3 - iau
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