Bhattacharyya D K <br/><br/>
Research methodology 

 - New Delhi  Excel Books  c2003 
 - 364p. : ill. ;23cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>8174463410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology<br/>Social research