Ruffin, Roy J <br/><br/>
Principles of Economics 

 - Illinois  Scott, Foresman  1983 
 - xxxii, 798 p. 
<br/><br/><label>ISBN: </label>0673155080 (10) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  / R82