Lengyel, Peter <br/><br/>
Approaches to the science of socio-economic development / 
edited by Peter Lengyel, Raymond Aron, Rudolf Bicanic, Gerald E. Caiden, Robert A. Dahl 
 - Paris :  UN ,  1971 
 - 383 p. :  ill. ;  25 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development<br/>Social change<br/>Social aspects
<br/><br/><label>Dewey Class. No.: </label>338.89  / LEN