Kothari,C.R. <br/><br/>
Research methodology  Methods and Techniques 

 - 2nd ed. 
 - New Delhi  New Age International Pvt.Ltd.  2004 
 - xvi,401p.  22cm PB 
<br/><br/><label>ISBN: </label>8122415229 
<br/><br/><label>Dewey Class. No.: </label>300.72  / KOT