Balassa, Bela A. <br/><br/>
A stages approach to comparative advantage / 
prepared by Bela Balassa. 
 - Washington, D.C. :  World Bank,  1977. 
 - 39 p. ;  28 cm. 
 - World Bank staff working paper ;  no. 256 .
<br/><br/>Includes bibliographical references. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comparative advantage (International trade)<br/>Commerce.