Alberto MarquezJABER SAEED A ALZAHRANI2022-06-012022-06-0126343https://drepo.sdl.edu.sa/handle/20.500.14154/53583MEASURING EFFICIENCIES AND ECONOMIC IMPACT OF AIR TRANSPORTATION SECTOR IN THE U.S. ECONOMY USING DATA ENVELOPMENT ANALYSIS AND LEONTIEF ANALYSISThesis