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• najafi.Seyed esmaeil Sensitivity Analysis in Two-Stage DEA [ Vol.7, Issue 2 - Spring Year 2015]
• Naresh.Ram AIDS Epidemic Modeling With Different Demographic Structures [ Vol.7, Issue 1 - Winter Year 2015]
• Nasseri.Sayed Hadi A new approach to fuzzy quantities ordering based on distance method and its applications for solving fuzzy linear programming [ Vol.7, Issue 2 - Spring Year 2015]