ROY P N <br/><br/>
Pure theory of international trade. 

 - Calcutta  Progressive publishers           1977 
 - xii,358p.  cm. 
<br/><br/> Appendix :346-351p. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:54, L7/SC