Agarwal, D.R. <br/><br/>
Quantitative methods / 
D.R. Agarwal. 
 - 4th Revised & Enlarged Edition. 
 - Delhi :  Virinda Publications,  c2005. 
 - viii, 1338, [23] p. :  ill. ;  22 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>8182810256 
<br/><br/><label>Dewey Class. No.: </label>658.403  / AGA