Boyd, Harper W., Jr.
Marketing research : text and cases
Richard D. Irwin, 1956
Buku Teks
Piirto, Rebecca
Beyond the marketing power mind of psychographics games
American demographics Books, 1992
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Baker, Michael J.
Research for marketing
Macmillan, 1991
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Kress, George
Marketing research
Prentice-Hall, 1988
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Parasuraman, A.
Marketing research
Addison-Wesley, 1991
Buku Teks