Sapsford, Roger  . <br/><br/>
Survey research /  
by Roger Sapsford. 
 - 2nd ed /  
 - New Delhi :   Sage Publications India Pvt. Ltd ,   2007 
 - xiii, 276p ;  
<br/><br/><label>ISBN: </label>978-1-4129-1232-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Survey Research
<br/><br/><label>Dewey Class. No.: </label>T:f  / P7