Ward, Barbara,  1914- <br/><br/>
The rich nations and the poor nations. 

 - New York   Norton   1962. 
 - 159 p.   22 cm. 
<br/><br/><label>LCCN: </label>62011387 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desarrollo económico.<br/>Economic development.<br/>Economic history.<br/>Historia económica.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries--Economic conditions.<br/>Países en desarrollo--Condiciones económicas.
<br/><br/><label>LC Class. No.: </label>HD82  / .W37 1962