Sifaleras, Angelo; Konstantaras, Ioannis; Mladenović, Nenad - In: International Journal of Production Economics 160 (2015) C, pp. 133-143
The economic lot sizing problem with product returns and recovery is an important problem that appears in reverse logistics, and has recently been proved to be NP-hard. In this paper, we suggest a variable neighborhood search (VNS) metaheuristic algorithm for solving this problem. It is the...