Das, N G. <br/><br/>
Business mathematics and statistics / 
N G Das, J K Das 
 - New Delhi :  Tata McGraw-Hill Education,  2012 
 - xxxxiii, 713 p. :  ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780071333399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics<br/>Commercial statistics