Lennes, N. J.  <br/><br/>
Economic mathematics :  business arithmetic for the consumer / 
N. J. Lennes and C. W. Sutton. 
 - New York :   Allyn and bacon,  c 1953. 
 - vi, 547 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/>336  336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--economic.
<br/><br/><label>Dewey Class. No.: </label>511 / L548e