فهرس المقالات Seyyedeh Nasim Shobeiri المقاله 1 - A ranking method based on data envelopment analysis for classification the insurers risk in Saman insurance company Seyyedeh Nasim Shobeiri Mohsen Rostamy-Malkhalifeh Hashem Nikoomaram Mohammadreza Miri Lavasani International Journal of Data Envelopment Analysis , العدد 2 , السنة 8 , بهار 2020