Sapsford, Roger <br/><br/>
Survey Research 
Roger Sapsford 
 - 2nd ed. 
 - New Delhi  Sage Publications India Pvt. Ltd  2006 
 - xiii, 276p. 
<br/><br/><label>ISBN: </label>1412912326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social surveys Methodology
<br/><br/><label>Dewey Class. No.: </label>300.723 SAP