Pen, J.,  1921 <br/><br/>
A primer on international trade : 
Jan Pen. 
 - x, 146 p. :  ill. ;  19 cm. 
 - Random House, New York. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ticaret politikası<br/>Commercial policy
<br/><br/><label>LC Class. No.: </label>HF1411  / .P38 1967