Pen, J.  <br/><br/>
Modern Economics / 
translated from the Dutch by Preston Trevor S. 
 - Harmondsworth :  Penguin Books Ltd ,  c1965. 
 - 266 p. :  Ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.