Name Raheleh Nourifar Affiliation دانشجو سایر دانشگاههای کشور Degree Website Email — JournalPaper Presentation FinishedProject Book ConferenceHoldings Speech Panel WorkShop TheorizingChair ResearchExcellence Innovation Publication ExecutiveActivity Thesis Sabbatical GrantAttraction Contribution IndustryVisit Art TitleJournal 1 A fuzzy mathematical multi-period multi-echelon supply chain model based on extension principle Annals of the University of Craiova, Mathematics and Computer Science Series