Kothari, C.R. <br/><br/>
Research Methodology: Methods and Techniques  

 - 4th Ed.  
 - New Delhi  New Age International (P) Limited, Publishers  2022 
 - 458p. 
<br/><br/><label>ISBN: </label>9789386649225 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>Dewey Class. No.: </label>300.723  / KOT/R