Nag, N. K. <br/><br/>
Business mathematics 
N. K. Nag 
 - 3rd ed. 
 - New Delhi  Kalyani publishers  1988 
 - Various pages  22cm. 
<br/><br/><label>ISBN: </label>8170960959  60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / NAG