LONG, Kenneth E. <br/><br/>
INTRODUCTION TO ECONOMICS 

 - 2nd Ed. 
 - New York  D.Van Nostrand Company Limited, New York   1981 
<br/><br/><label>ISBN: </label>0 442 23894 0 
<br/><br/><label>Dewey Class. No.: </label>330  / LON/IN