Dipak kumar bhattacharya <br/><br/>
Research methodology 
Dipak kumar bhattacharya 
 - 2 Edition 
 - Excel Books, New Delhi  2006 
 - 399 p 
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research activities
<br/><br/><label>Dewey Class. No.: </label>001.4  DIP-R2