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Hajipour, V. , Noshafagh, S. , Tavakkoli-Moghaddam, R.. "A Novel Pareto-Based Meta-Heuristic Algorithm to Optimize Multi-Facility Location-Allocation Problem". World Academy of Science, Engineering and Technology, Open Science Index 79, International Journal of Industrial and Manufacturing Engineering, (2013), 7(7), 1442 - 1445.