Peelen, E. (2022). Customer Relationship Management. Pearson India Education Services Pvt. ltd.
Chicago Style (17. basım) AtıfPeelen, Ed. Customer Relationship Management. Noida: Pearson India Education Services Pvt. ltd, 2022.
MLA (9th ed.) AtıfPeelen, Ed. Customer Relationship Management. Pearson India Education Services Pvt. ltd, 2022.
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