Vaus, David De <br/><br/>
Surveys in Social Research   

 - 5th ed. 
 - London  Routledge  1985 
 - xviii, 379 p. illus.  
 -   .
<br/><br/><label>ISBN: </label>0415268583 
<br/><br/><label>Dewey Class. No.: </label>301.072  / V379