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Author

Helen E. Katz

4 books found

Cover of Influencer

Influencer

T. Bettina Cornwell, Helen E. Katz · First published 2020

Cover of The media handbook

The media handbook

Helen E. Katz · First published 1995 · Latest edition 2017

Cover of Advertising principles

Advertising principles

Bruce G. Vanden Bergh, Helen E. Katz · First published 1998

Cover of Strategic media planning

Strategic media planning

Kent M. Lancaster, Helen E. Katz · First published 1989