Lavrakas P J <br/><br/>
Telephone survey methods: Sampling selection and supervision 
Lavrakas P J 
 - Ed 2nd 
 - London  London, Sage Publication  1993 
 - 190p 
<br/><br/><label>ISBN: </label>0-8039-5307-0 
<br/><br/><label>Source: </label>Textbook