Vaus, David de <br/><br/>
Surveys in social research 

 - 5th 
 - London  Routledge  2002 
 - xviii, 379p.  Includes bibliography & Index 
 - Social research today .
<br/><br/><label>ISBN: </label>9780415268585 
<br/><br/><label>Source: </label> Textual