Agarwal, D R <br/><br/>
Quantitative Methods / 
D R Agarwal 
 - New Delhi:  Vrinda Publications,  1999. 
 - 1131p 
<br/><br/><label>ISBN: </label>8187125306 
<br/><br/><label>Dewey Class. No.: </label>658.4033  / AGA/Q