Relationship marketing : successful strategies for the age of the customer 
McKenna, Regis. 
 -  Addison-Wesley Publishing Company.  1991 
 - xiii, 241 pages. 
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<br/><br/><label>ISBN: </label>0-201-62240-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Customer service.
<br/><br/><label>Dewey Class. No.: </label>658.812 M261r 1991