UNESCO <br/><br/>
Enviromental Education In The Light Of The Tbilisi Confernce 

 - Paris  United Nations Educational, Scientific and Cultural Organization  1980 
 - x,100 
<br/><br/><label>ISBN: </label>92-3-101787-X 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>370:574.5