Social indicators: problems of definition and of selection/ by Serge Fanchett...(et al.) 

 - Paris :  UNESCO,  1974. 
 - 28 p. ;  fot. 
 - Reports and papers in the social sciences; 30 .
<br/><br/> Incluye bibliografía 
<br/><br/><label>ISBN: </label>9231011618. 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>3.002.1: 338 =20 SOC No.30 B