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• Raayatpanah.Mohammad Ali Determining the Technical Efficiency of Hospitals affiliated with Kashan University of Medical Sciences using Data Envelopment Analysis: 2011-2016 [ Vol.8, Issue 2 - Spring Year 2020]
• Rahmani Parchikolaei.bijan Decomposition of efficiency in a network [ Vol.8, Issue 4 - Autumn Year 2020]
• Rostamy.Mohsen A ranking method based on data envelopment analysis for classification the insurers risk in Saman insurance company [ Vol.8, Issue 2 - Spring Year 2020]
• Rostamy.Mohsen Undesirable factors in stochastic cross-efficiency evaluation [ Vol.8, Issue 3 - Summer Year 2020]