Prof.Saeed ZolfaghariABDULLAH MARAEE M ALDAMAK2022-05-192022-05-1934112https://drepo.sdl.edu.sa/handle/20.500.14154/12737DUAL FRONTIERS DATA ENVELOPMENT ANALYSIS: MULTIPLE RANKING APPROACHES FROM OPTIMISTIC AND PESSIMISTIC PERSPECTIVESThesis