Report of the expert group meeting on the determination of social development 

 - s.l.  UN         1974 
 - 60p  cm. 
<br/><br/><label>Standard No.: </label>152644 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"Y:677p1,N74, L4/UN"