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• Yousefi Nejad Attari.mahdi A Combination of Factor Analysis and Combined Approach Techniques (AHP-TOPSIS) for Ranking Criteria and Evaluating the Factors Affecting Brand [ Vol.9, Issue 30 - Winter Year 2013]
• Yousefikhoshbakht.Majid Combination of Taboo Search and Ant Colony System Approach to Solve the Vehicle Routing Problem [ Vol.9, Issue 28 - Summer Year 2013]