List of Articles data envelopment analysis Open Access Article Abstract Page Full-Text 1 - SENSITIVITY ANALYSIS OF EFFICIENT AND INEFFICIENT UNITS IN INTEGER-VALUED DATA ENVELOPMENT ANALYSIS Shokoofeh Banihashemi Ghasem Tohidi Masoud Sanei Open Access Article Abstract Page Full-Text 2 - IMPRECISE DATA ENVELOPMENT ANALYSIS APPROACH IN PERFORMANCE EVALUATION OF SUPPLY CHAIN S. Mamizadeh Chatghayeh V. Abbasi Open Access Article Abstract Page Full-Text 3 - A NON-RADIAL ROUGH DEA MODEL Gh. Tohidi P. Valizadeh Open Access Article Abstract Page Full-Text 4 - A supplier evaluation approach for designing an optimal supply chain network: A novel mathematical DEA model Javad Mohammad Ghasemi Seyed esmaeil najafi Mohammad Reza Nabatchian Mohammad Fallah Open Access Article Abstract Page Full-Text 5 - Fuzzy Cross Efficiency Measurement for Two-Stage Network DEA Seyed esmaeil najafi Zohreh Moghaddas Abdol Hossein Tajik Yabr Parisa Shahnazari Shahrezaei