Indicators of Social and Economic Change and Their Applications /  Division forsocio-economic Analysis Sector of Social Sciences and Their Applications. 

 - Paris :  UNESCO,  1977. 
 - 95 p. ;  map., fot 
 - Reports and Papers in the Social Sciences; 37 .
<br/><br/><label>ISBN: </label>9231014935 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>330.19: 001.5 (593) (914)=20 INDN.37