United Nations <br/><br/>
Studies in methods 

 - New York     United Nations       1968 
 - xiii,246p  cm. 
<br/><br/><label>Standard No.: </label>93249 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:31-8F, K8