Hammersley A. <br/><br/>
Approaches to environmental studies : A handbook for teachers, students and other interested in the World around them 

 - London, UK  Blandford Press  1968 
 - 280p 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Education