Society and environment E. 

 - Western Australia :  R.I.C,  2000. 
 - 100 p. : ill.:  29 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>1-86311-663-X 
<br/><br/><label>LC Class. No.: </label>300.2 So13