Gupta, S. P.  <br/><br/>
Business Statistics / 
S. P. Gupta and M. P. Gupta. 
 - 50th ed. 
 - New Delhi :  Sultan chand & sons,  c2005 [Reprinted 2012]. 
 - xixi, 696 pages :  illustrations ;  22 cm. 
<br/><br/><label>ISBN: </label>9788180546419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial statistics.
<br/><br/><label>Dewey Class. No.: </label>519.5 GUP