Social aspects of economic development in Latin America /    
edited by Egbert de Vries and Jose Medina Echavarria. 
 - Paris :   UNESCO ,   1963- 
 - v. :    tables ;    22 cm. 
 - Technology and society series.   .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Spanish America -- Economic policy -- Congresses.<br/> Spanish America -- Social policy -- Congresses.