Özet:

Supplier selection, which is an important complement in providing sustainability and competitive advantage, is an important decision process. An effective method for determining criteria and priorities should be chosen before making a decision. This problem has been tried to be solved with various methods and approaches until today.The aim of the study is to determine which criteria they consider in the selection of suppliers and to provide suggestions using methods to help decision makers. In this study, the supplier selection problem of the enterprise is discussed with Entropy and Topsis methods. 6 criteria and 10 suppliers were determined by literature review and expert opinions. The importance weights of the criteria used in the selection of suppliers were determined by the Entropy method, which is called an objective evaluation technique. At the next stage, the performances of the enterprises were measured by Topsis method using the calculated weights. The integrated approach consisting of Entropy and Topsis methods has been found to be an auxiliary method for decision makers in supplier selection. As a result of the study, decision making process was analyzed and interpreted in detail.

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