Action on the environment :  the role of the United Nations. 

 - Nairobi :  UNEP,  1989 
 - 24 p. ;  30 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>9280712101 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment--Conservation.<br/>Human ecology.