"Kumar, R." <br/><br/>
Research methodology / 
R. Kumar 
 - 4th 
 - New Delhi:  "Sage Publication,"  2014 
 - 399p. 
<br/><br/><label>ISBN: </label>978-93-515-0133-6 
<br/><br/><label>Subjects--Index Terms: </label>research methodology 
<br/><br/><label>Dewey Class. No.: </label>1