Kothari, C R <br/><br/>
Research methodology:  methods and techniques / 
C R Kothari 
 - 4th ed. 
 - London :  New age techno press,  2019 . 
 - xxi, 458 p. :  ill , ; 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789386649225 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>H 62 .K 68 2019