School projects in natural history ; edited by the Devon Trust for Nature Conservation. 

 - London:   Heinemann Educational Books,   1974.  
 - 180 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0435599208 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Study and teaching<br/>Project method in teaching
<br/><br/><label>Dewey Class. No.: </label>508.071