%0 Journal Article
%A Keyvan, Ebrahim, Farshid farzad, Mehdi, Radfar, Reza, Sorkhabi, Nir
%T Measuring the Relative Efficiency of Toll Switched Exchanges (sc/pcs) Based on Hierarchical Data Classification through Data Envelopment Analysis Method (Case Study: Telecommunication Infrastructure Company)
%J The Journal of Productivity Management
%V 8
%N 2
%P 23-46
%D 2014
%R 
%U https://sanad.iau.ir/fa/Article/975949