Bhattacharyya, D.K.  . <br/><br/>
Research methodology /  
by Dipak Kumar Bhattacharyya. 
 - 2nd ed /  
 - New Delhi :   Excel Books ,   2006 
 - 375p :  
<br/><br/><label>ISBN: </label>81-7446-497-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>T48  / P6;1