Heller H Robert <br/><br/>
International trade   Theory and empirical evidence    
Heller H Robert 
 - 2nd 
 - New Jersey   Prentice_hall USA          1973 
 - xii,236p.  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, K8;L3