Gregory, Paul R. <br/><br/>
Essentials of economics / 
Paul R. Gregory. 
 - Boston :  Addison-Wesley ,  2002 
 - xiv, 322 p. : 
<br/><br/><label>ISBN: </label>0321088212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>Dewey Class. No.: </label>330  / Es