Bhasin, D. J. K. (2012). Customer relationship management. Dreamtech.
Tohutoru Kātū Chicago (17th ed.)Bhasin, Dr. Jaspreet Kaur. Customer Relationship Management. New Delhi: Dreamtech, 2012.
Tohutoro MLA (9th ed.)Bhasin, Dr. Jaspreet Kaur. Customer Relationship Management. Dreamtech, 2012.
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