Research data bank of development indicators 

 - Geneva  The Statistical unit of the Institute for Social development    1976 
 - v, 140p  cm. 
<br/><br/> Report no. 76.1/rev. 1 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:77.1.N70s, L6.1 /UN