Vacarie A. Zheitaml, Mary Jo Bitner, Dwayne D. Gremier.(2009). Services Marketing : Integrating customer focus across firm, 5th edition. New York: McG

1 DAFTAR PUSTAKA Hatch, E dan Farhady, H (1981). Research Design and Statistics for Applied Linguistics. Rowley: Newbury House Publisher, Inc. Interna...
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