Clegg, Brian <br/><br/>
The invisible customer:  Strategies for successful customer service down the wire 

 - London:  Kogan  Page Limited,  2000. 
 - vii, 216 p:  23cm 
<br/><br/><label>ISBN: </label>074943144X 
<br/><br/><label>LC Class. No.: </label>HF 5415.5/CLE