Polak J J <br/><br/>
International economic system 
Polak J J 
 - London  George Allen and Unwin UK        1954 
 - 179p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Export
<br/><br/><label>Dewey Class. No.: </label>X:54, J4