Intergovernmental conference on environmental education UNESCO 

 -  1978 
 - 101p.  cm. 
<br/><br/><label>Standard No.: </label>113720 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> COLLEGES AND UNIVERSITIES<br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T4:2(G:55), L8