Environmental education- past, present and future :    proceedings o f the third National Environmental Education seminar and workshops  hel d at Ursula college, Austrarian National University, Canberra, 1987. 

 - Canberra :    Austrarian Government Publishing Services,    1987. 
 - vi, 181 p. :    ill. ;    25 cm. 
<br/><br/><label>ISBN: </label>0644066326 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental education -- Australia -- Congresses.
<br/><br/><label>Dewey Class. No.: </label>363.7 NAT