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

 - New Delhi  Wiley Eastern  1990 
 - 468p. 
<br/><br/><label>ISBN: </label> RS 75.00 
<br/><br/><label>Source: </label> RS 75.00 
<br/><br/><label>Dewey Class. No.: </label>001.42 KOT