Abstract
This study presents a fuzzy multi-criteria decision making (MCDM) approach to support the evaluation of green suppliers. The method utilizes linguistic terms represented by triangular fuzzy numbers to assess the ratings of different green suppliers based on various criteria, as well as to determine the weights assigned to each criterion. The arithmetic of fuzzy numbers is employed to derive a weighted fuzzy decision matrix. In order to simplify and enhance practicality, the weighted ratings are converted into crisp values using the widely-used centroid index ranking approach. The proposed fuzzy MCDM method is then applied to a green supplier assessment problem, showcasing its effectiveness and computational process.
 Keywords: Green Supplier Assessment, MCDM, Fuzzy Numbers, TOPSIS.
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