Bingham, Robert C <br/><br/>
Economic concepts: A programmed approach 

 - 4 
 -  A & C Black Ltd., London  1975 
 - 377 
 - Mcgraw Hill Book Co., New York .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  BIN-E4