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چکیده
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Due to the importance of the supplier-selection in the supply chain management, a variety of models has been proposed which cover different aspects of this issue. Incorporating risk and reliability factors in selection process, beside other significant factors, would make companies that involve outsourcing and selecting process well prepared and equipped to encounter the unforeseen interrupting events in supplies. This paper refers to the modeling a multi-objective mixed integer supplier selection problem where its duty is opting among the suppliers that there are some risk on their products’ quality and delivery times and show different flexibility to respond the surplus demand of customer in the case of unforeseen supply interruption. We here consider flexibility factor as a determinant reliability factor and add it into the current models of supplier selection, which usually consider the cost, risk of poor quality and reliability of due dates and solve it using the weighted sum method
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