Aaker, David A.
Marketing research
John Wiley & Sons, 2000
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Crisp, Richard D.
Marketing research
McGraw-Hill, 1957
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Holloway, Robert J.
Marketing in a changing environment
John Wiley & Sons, 1968
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Kinnear, Thomas C., 1943-
Marketing research : an applied approach
McGraw-Hill, 1991
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Kinnear, Thomas C., 1943-
Marketing research : an applied approach
McGraw-Hill, 1996
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