Bhattacharyya, Dipak Kumar <br/><br/>
Research methodology /  [textbook] 
by Dipak Kumar Bhattacharyya 
 - New Delhi :  Excel books,  2003. 
 - ix, 364 pages :  illustrations; 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>LC Class. No.: </label>Q180.55  / BHA