Kothari, C R <br/><br/>
Research methodology methods and techniques  
C R Kothari and Gaurav Garg 
 - 4th ed.  
 - London:   New Age International,   2019. 
 - xxi, 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  / KOR