%0 Journal Article %A Ghezavati, V. R., Beigi, M. %T Solving a bi-objective mathematical model for location-routing problem with time windows in multi-echelon reverse logistics using metaheuristic procedure %J Journal of Industrial Engineering International %V 12 %N 4 %P 0-0 %D 2016 %R %U https://sanad.iau.ir/fa/Article/1039941