Pen, J.  1921- <br/><br/>
Modern economics 
[by] J. Pen. Translated from the Dutch by Trevor S. Preston. 
 - Baltimore,  Penguin Books  [1965] 
 - 265 p.  illus.  18 cm. 
 - A Pelican book,  A710 .
<br/><br/>Bibliography: p. 249. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.
<br/><br/><label>LC Class. No.: </label>HB171  / .P456