Kothari, C R <br/><br/>
Research methodology;methods and techniques. Ed.4 

 - Ed.4 
 - New Delhi  New age  2019 
 - xxi,458p. 
<br/><br/><label>ISBN: </label>9789386649225 
<br/><br/><label>Subjects--Index Terms: </label>Research methodology; methods and techniques. Ed.4 
<br/><br/><label>Dewey Class. No.: </label>001.8  / KOT