Exploring :  an approach to primary science ; Owen Martin, John Clegg. 

 - London:   Warne,   1968.  
 - 80 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.35