Heyne, Paul. <br/><br/>
The economic way of thinking / 
by Paul Heyne. 
 - 4th ed. 
 - Chicago, Ill. :  SRA,  1983. 
 - xviii, 459 p. : ill. 
<br/><br/> Includes index.  Contents : Substitutes everywhere : the concept of demand--Opportunity cost and the supply of goods--Price searching. 
<br/><br/><label>ISBN: </label>0574194258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.