Foster, Don. <br/><br/>
Teaching science 11- 13 /  
Don Foster. 
 - Hatfield, Herts :    Association for Science Education,    1987. 
 - 209 p. ;    ill. ;    22 cm. 
<br/><br/><label>ISBN: </label>0709949316 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Science -- Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>507