List of Articles Open Access Article Abstract Page Full-Text 1 - Generalization of the RDM model in Data Envelopment Analysis Hamed Taherzadeh Ghasem Tohidi Bo Hsiao Open Access Article Abstract Page Full-Text 2 - 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 Open Access Article Abstract Page Full-Text 3 - Efficiency and Return to Scale of Two-Stage network in Data Envelopment Analysis Using Additive Model Mahboobeh Joghataie Farhad Hosseinzadeh lotfi Tofigh Allahviranloo Open Access Article Abstract Page Full-Text 4 - Determining the Technical Efficiency of Hospitals affiliated with Kashan University of Medical Sciences using Data Envelopment Analysis: 2011-2016 Mohammad Ali Raayatpanah Monireh Sadeqi Jabali Razieh Farrahi Panos Pardalos Open Access Article Abstract Page Full-Text 5 - Performance of Working Capital Management Indices of Working Capital Insurance Companies in Tehran Stock Exchange Using Data Envelopment Analysis Erfan Mirzaee Mahnaz Ahadzadeh Namin Shadi Shahverdiani Open Access Article Abstract Page Full-Text 6 - Identification Desirable Congestion in Data Envelopment Analysis Abbas Ghomashi Masomeh Abbasi