Harris, Elaine K. Customer service : a practical approach / Elaine KHarris- 4th ed. - Upper Saddle River, N.J: Pearson Prentice Hall, c2007. - xvii, 169 p: ill; 26 cm. ISBN: 0131989375 Subjects--Topical Terms: Customer services. Dewey Class. No.: 658.812 HAR