Friends of the earth handbook . 

 - London :  Macdonald Optima,  1987.1990. 
 - 162 p. :  ill. 
 - An optima book. .
<br/><br/><label>ISBN: </label>0356191087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Conservation of natural resources.<br/>Conservation--enironment--Great Britain.