Mason, Robert D. <br/><br/>
Mathematics for business and consumers 
Robert D.Mason, Walter H. Large, Temoleon G.Rousos. 
 - 3rd ed. 
 - Plano, Texas  Business Publications Inc.  1984. 
 - 516p. 28cm. 
<br/><br/><label>ISBN: </label>0256030715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics--Problems exercises, etc.