McCloud, Scott
Understanding comics: the invisible art
Northamton : Kitchen Sink Press, 1993
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Barrett, Terry, 1945-
Criticizing art : understanding the contemporary
McGraw-Hill, 2012
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Theodoulou, Stella Z.
The Art of the game : understanding american public policy making
Thomson, 2004
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Service quality: a concept not fully explored
Artikel Jurnal
Lewis, John P.
Statistics explained
Addison-Wesley, 1999
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