Kothari, R.C.  <br/><br/>
Research methodology : methods and techniques  

 - 4th edition. 
 - New Delhi :  New Age International,  2022. 
 - 458 
<br/><br/><label>ISBN: </label>9789386649225 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT