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New product adoption by the buying organization : who are the real influencers?
Berkowitz, Marvin, (1986)
End users and technical staff as influencers in buying new industrial products : high stakes, but do they really matter?
Berkowitz, Marvin, (1988)
The social costs of human underdevelopment : case study of 7 New York City neighborhoods
Berkowitz, Marvin, (1974)