List of Articles Cross Efficiency Evaluation Open Access Article Abstract Page Full-Text 1 - Supplier Ranking Using Data Envelopment Analysis and New Cross Efficiency Evaluation in the Presence of Undesirable Outputs Mehdi Soltanifar Hamid SHarafi Seyyed Mohammad Zargar Mehdi Homayounfar 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