Ruchika Nath <br/><br/>
Research methodology 
Ruchika Nath Yogesh Kumar Singh 
 - New Delhi  A. P. H. Pub. Corp  2005 
 - 280p.  
<br/><br/><label>ISBN: </label>9788176489621 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reserach
<br/><br/><label>Dewey Class. No.: </label>001.433 YOG