طراحی سیستم پشتیبان تصمیم جهت انتخاب تأمینکننده در محیط تخفیفات چندگانه (مطالعه موردی شرکت امرسان)

F fuzzy numbers are applied so as to translate qualitative criteria into quantitative one in this study and the selection share of each from the whole quantity has been determined based on the multi-objective mathematical model.