Ruffin, Roy J. <br/><br/>
Principles of economics 

 - Glenview, Ill. :  Scott, Foresman,  1983 
 - 798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>LC Class. No.: </label>HB171.5  / R833P