Organization of national statistical services   a review of major issues    

 - New York  United Nations          1977 
 - v, 23p  cm. 
 - studie in method series no.21 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>VIN45,93:8.N47, L7 /UN