SAPSFORD, Roger <br/><br/>
Survey research 

 - 2nd ed. 
 - London  Sage Pub.  2007 
 - xiii, 276 p. 
<br/><br/><label>ISBN: </label>1412912326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Khowledge
<br/><br/><label>Dewey Class. No.: </label>1.433  / SAP