Gupta , S.P. & Gupta , P.K <br/><br/>
Business Statistics and Business Mathematics 

 - New Delhi  Sultan Chand & Sons  2009 
 - BS1.1-BS10.7,BSA1-BS 
<br/><br/><label>ISBN: </label>83-8054-605-3 
<br/><br/><label>Dewey Class. No.: </label>650.01519   Gup.P9