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RIES, Al.. (2002). The fall of advertising and the rise of PR . Jakarta: HarperBusiness.

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RIES, Al.. The fall of advertising and the rise of PR. Jakarta: HarperBusiness, 2002. Text.

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RIES, Al.. The fall of advertising and the rise of PR. Jakarta: HarperBusiness, 2002. Text.

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RIES, Al.. The fall of advertising and the rise of PR. Jakarta: HarperBusiness, 2002. Print.