McCue, Janice Helen
Online searching in public libraries: a comparative study of performance
The Scarecrow Press , 1988
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Public relations in academic libraries: a descriptive analysis
 Artikel Jurnal
Pollit, Christopher
Public management reform : a comparative analysis
Oxford University press, 2000
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International public relations : a comparative analysis
Erlbaum, 1996
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Press freedom in Africa : comparative perspectives
edited by Herman Wasserman
Routledge, 2013
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