Gupta, DR.S.P. <br/><br/>
Business Statistics and Operations Research 

 - New Delhi  SULTAN CHAND & SONS  2013 
 - vii,OR-10.56p.:  ill.; 24cm. 
<br/><br/><label>ISBN: </label>9788180548642 
<br/><br/><label>Dewey Class. No.: </label>519. 5