Today green supply chain is considered all around the world and supplier selection has been changed regarding these green and\r\ncarbon emission criteria, so green supplier selection has been amajor problem in this area. In this study we use fuzzy time function\r\nto assist managers in green supplier selection under uncertainty and ambiguity. This function will consider derivation from the\r\ngoal during the time and by using it, and we will be able to have the best supplier in every period after having some modification in\r\nlegal limitations for green supplier selection criteria.We use a fuzzy TOPSIS to have better initial weighting in TODIM, a discrete\r\nmulticriteria method based on prospect theory in uncertainty (known as TODIM in Portuguese) decision making method. The\r\nresults indicated that our proposed approach can easily and effectively accommodate criteria with gains and loss functions during\r\ntime and also by using this method we will have a more reasonable predict of our suppliers ranking in future and that will help us\r\nin future investment in these suppliers. Finally it has been shown in car industries in Iran.
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