Hoffamn, K. Douglas
Essentials of services marketing : concepts, strategies, and cases
Horcourt Colledge Publisher, 2002
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Still, Richard R.
Essentials of marketing
Prentice-Hall, 1966
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McDaniel, Carl
Marketing essentials
South Western Cengage Learning, 2012
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McCarthy, E. Jerome
Essentials of marketing
Richard D. Irwin, 1988
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Lovelock, Christopher H.
Services marketing
Pearson-Prentice-Hall, 2001
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