By Bhattacharyya, D. K. <br/><br/>
Research methodology 

 - 1st 
 - New Delhi  Excel Books  2003 
 - 364p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  / BHA