By Kothari, C. R. <br/><br/>
Research methodology: methods and techniques 

 - 2nd 
 - New Delhi  New Age International Publishers  2005 
 - xvi; 401p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology: methods and techniques
<br/><br/><label>Dewey Class. No.: </label>001.42  / KOT