A two-stage study of grey system theory and DEA in strategic alliance: An application in Vietnamese Steel industry
Subject Areas : International Journal of Data Envelopment AnalysisHoang-Phu Nguyen 1 , Nhu-Ty Nguyen 2
                                               1 -     School of Business, International University, HCMC
                                               
                                               2 -     School of Business, International University, HCMC
                                               
                                       
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