Gupta S P & Gupta P K <br/><br/>
Business statistics and business mathematics 

 - New Delhi  Sultan Chand & Sons  2018 
 - BM-A1.4p. 
<br/><br/><label>ISBN: </label>978-93-5161-060-1 
<br/><br/><label>Dewey Class. No.: </label>