Trends in environmental education 

 - UNESCO  1977 
 - 244 
 - Environmental education Youth education Adult education 
<br/><br/><label>ISBN: </label>92-3-101401-7 
 = Trends in environmental education 
<br/><br/><label>Standard No.: </label>M 
<br/><br/><label>Standard Tech. Report. No.: </label>
<br/><br/><label>LCCN: </label>B 
<br/><br/><label>Nat. Bib. No.: </label>3331 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>577.4 TRE 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences
<br/><br/><label>Universal Decimal Class. No.: </label>577.4