Gupta s p & Gupta p <br/><br/>
Business statistcs & Business mathematics 

 -  Sultan chand & sons  2008 
 - b-5-1.1-bs-a.18 : bm 
<br/><br/><label>ISBN: </label>81-8054-605-5 
<br/><br/><label>Dewey Class. No.: </label>519.5   Gup.P8