Zyman, Sergio
The end of marketing as we know it
Harper Business, 2000
 Buku Teks SO
Zyman, Sergio
The end of advertising as we know it
John Wiley & Sons, 2002
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McIntosh, Jane
The practical archaelogist: how we know what we know about the past
Checkmark Books, 1999
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Catalogers,we hardly know ye Will Manley
 Artikel Jurnal
Cochrane, Susan H.
Fertility and education: what do we really know?
Johns Hopkins University Press, 1979
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