Kothari  C , <br/><br/>
Research  Methodology Methods And Techniques   Textual Documents 

 - 3 rd ed . 
 - New Delhi  New Age International (P) Ltd. Publishrs  2014 
 - xx:  449;  24*18. 
<br/><br/><label>ISBN: </label>9788122436235   
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT/GAR