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1Norman, Okla., University of Oklahoma Center for Economic and Management Research.v. 28 cm.“...University of Oklahoma. Center for Economic and Management Research...”
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2Được phát hành 1972[Norman, Okla.] : Bureau for Business and Economic Research, College of Business Administration, University of Oklahoma, 1972-v. : ill. ; 23 cm.“...University of Oklahoma. Center for Economic and Management Research...”
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3Được phát hành 1928Norman, Okla. : The Bureau, 1928-v. : ill. ; 30 cm.Available on microfilm from University Microfilms International.“...University of Oklahoma. Center for Economic and Management Research...”
