Shanmugasundaram. (2011). Customer Relationship Management: Modern trends and perspective. PHI Learning Pvt. Ltd.
Styl ChicagoShanmugasundaram. Customer Relationship Management: Modern Trends and Perspective. New Delhi: PHI Learning Pvt. Ltd, 2011.
Citace podle MLAShanmugasundaram. Customer Relationship Management: Modern Trends and Perspective. PHI Learning Pvt. Ltd, 2011.
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