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This article puts forward a hybrid priority-based nested genetic algorithm with fuzzy logic controller and fuzzy random simulation (hpn-GA with FLC–FRS) for solving a variant of the vehicle routing problem. To meet all the complex restrictions contained in practical reverse logistics, a new mathematical model is developed for simultaneous pickup and delivery problems with time windows and multiple...
In this paper, an integrated production-distribution planning model using bi-level programming is proposed for supply chain management. In the bi-level model, the core firm is the leader in the hierarchal process that decides which plants and warehouses to open to serve customers to minimize total global cost. In the lower level, the production branch and distribution branch managers aim to minimize...
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