tjiptono, f. (2008). service management: Mewujudkan layanan prima. penerbit andi.
Chicago Style Citationtjiptono, fandy. Service Management: Mewujudkan Layanan Prima. penerbit andi, 2008.
MLA Citationtjiptono, fandy. Service Management: Mewujudkan Layanan Prima. penerbit andi, 2008.
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