Lehmann, Donald R.
Market research and analysis
Richard D. Irwin, 1979
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Lehmann, Donald R.
Market research and analysis
Topan, 1989
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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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Kinnear, Thomas C., 1943-
Marketing research : an applied approach
McGraw-Hill, 1983
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