فهرست مقالات Location-allocation problem دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Developing a New Bi-Objective Functions Model for a Hierarchical Location-Allocation Problem Using the Queuing Theory and Mathematical Programming Parham Azimi Abulfazl Asadollahi 10.22094/joie.2018.350.0 دسترسی آزاد مقاله صفحه چکیده متن کامل 2 - A New Hybrid Algorithm to Optimize Stochastic-fuzzy Capacitated Multi-Facility Location-allocation Problem Esmaeil Mehdizadeh Mohammad Reza Tavarroth Vahid Hajipour