Bhattacharyya, Dipak Kumar <br/><br/>
Research Methodology 
/ by Dipak Kumar Bhattacharyya 
 - New Delhi:  Excel Books;  2013. 
 - 440p. 
<br/><br/><label>ISBN: </label>978-93-5062-176-9 
<br/><br/><label>Dewey Class. No.: </label>001.42  / BHA/R