Yang, K. D. Voice of the customer: Capture and analysis : Six sigma operational methods / Yang, Kai Dr. McGraw-Hill.
Trích dẫn kiểu ChicagoYang, Kai Dr. Voice of the Customer: Capture and Analysis : Six Sigma Operational Methods / Yang, Kai Dr. McGraw-Hill.
Trích dẫn MLAYang, Kai Dr. Voice of the Customer: Capture and Analysis : Six Sigma Operational Methods / Yang, Kai Dr. McGraw-Hill.
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