Rosenberg, R. Robert  1900- <br/><br/>
Business mathematics / 
by R. Robert Rosenberg and Harry Lewis. 
 - 7th ed. 
 - New York ;  Gregg Division, McGraw-Hill,  c1968 
 - 576 p. :  col. illus., forms. ;  25 cm. 
<br/><br/>Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics.
<br/><br/><label>Dewey Class. No.: </label>511.8  / ROB 1968