TY  - JOUR
AU  - Movahedi, Mohammad Mehdi
AU  - Saeedi, Nima
TI  - Outsourcing in Railway Transportation Using the Data Enveloping Method
JO  -  Journal of Strategic Management in Industrial Systems
VL  - 11
IS  - 37
SP  - 129
EP  - 142
PY  - 2016
DO  - 
ER  -