Kothari, C R. <br/><br/>
Research methodology :   methods and techniques. 
C R Kothari, 
 - 4th ed. 
 - Delhi :  New Age International,  2019. 
 - xi, 458p. : 
<br/><br/><label>ISBN: </label>9789386649225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology.
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT/R