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Insights for marketing management
Gelb, Gabriel M. (contributor); Gelb, Betsy D. (contributor) - 1974
Persistent link: https://www.econbiz.de/10004557318
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Research at the top : better data for organizational policy making
Gelb, Gabriel M.; Gelb, Betsy D. - 1975
Persistent link: https://www.econbiz.de/10004366842
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Marketing is everybody's business
Gelb, Betsy D. (contributor) - 1980 - 3. ed.
Persistent link: https://www.econbiz.de/10004808532
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Marketing expansion in a shrinking world : 61. International Marketing Conference
Gelb, Betsy D. (contributor) - 1978
Persistent link: https://www.econbiz.de/10004824115