Layton, William Isaac,  1913- <br/><br/>
Essential business mathematics / 
[by] W. I. Layton. 
 - New York :  Wiley,  c1965. 
 - xi, 300 p. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label> / LAE