Jefkins, Frank William
Public relations
Erlangga, 2004
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Jefkins, Frank William
Public relations
Erlangga, 1996
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Jefkins, Frank William
Public relations
Pitman , 1980
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Jefkins, Frank William
Public relations
Macdonald and Evans, 1984
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Giannini, Gaetan T.
Marketing public relations : a marketer's approach to public relations and social media
Prentice-Hall, 2010
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