Lovelock, Christopher H.
Services marketing : people, technology, strategy
Pearson Education , 2011
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Lovelock, Christopher H.
Services marketing
Pearson Prentice Hall, 2001
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Hoffman, K. Douglas
Essentials of services marketing
Harcourt College Publishers, 2002
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Kelley, Eugene J.
Marketing strategy and functions
Prentice-Hall, 1965
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Markin, Rom J.
Marketing : strategy and management
John Wiley & Sons, 1982
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