Improvement of supply management . 

 - New York  United Nations          1968 
 - viii,55p  cm. 
<br/><br/> Bib.: p49-52p 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:3:77.1.N68, K8  UN