Mason, Robert D. (Robert Deward), 1919-. <br/><br/>
Mathematics for business 
Robert D. Mason, Walter H. Lange, Temoleon G. Rousos. 
 - Dallas, Texas  Business Publications Inc.  1976. 
 - 341p. ill. 28cm. 
<br/><br/><label>ISBN: </label>0256018138 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics.