Yang, K. (2008). Voice of the Customer: Capture and Analysis. McGraw Hill Companies Inc.
Trích dẫn kiểu ChicagoYang, Kai. Voice of the Customer: Capture and Analysis. McGraw Hill Companies Inc, 2008.
Deismireacht MLAYang, Kai. Voice of the Customer: Capture and Analysis. McGraw Hill Companies Inc, 2008.
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