Ukens, L. L. (2007). 101 ways to improve customer service: Training, tools, tips, and techniques. Hoboken, N.J: John Wiley & Sons Inc.
Dyfyniad Arddull ChicagoUkens, Lorraine L. 101 Ways to Improve Customer Service: Training, Tools, Tips, and Techniques. Hoboken, N.J: John Wiley & Sons Inc, 2007.
Dyfyniad MLAUkens, Lorraine L. 101 Ways to Improve Customer Service: Training, Tools, Tips, and Techniques. Hoboken, N.J: John Wiley & Sons Inc, 2007.
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