Kothari, C R <br/><br/>
research Methodology Methods and Techniques 
/ by C R Kothari 
 - 5th ed. 
 - new Delhi:  New Age International Limied,  2024. 
 - xix, 464p. 
<br/><br/><label>ISBN: </label>9789389802559 
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT/R