فهرس المقالات Reza Shahverdi المقاله 1 - Ranking DMUs by New Metric DTM with Fuzzy Data in DEA Reza Shahverdi International Journal of Data Envelopment Analysis , العدد 4 , السنة 4 , تابستان 2016 المقاله 2 - Effect of uncontrollable factors on constant returns-to-scale production technologies Reza Shahverdi Azam Ahmadzadeh International Journal of Data Envelopment Analysis , العدد 5 , السنة 4 , پاییز 2016