Harlen, Wynne. <br/><br/>
Developing science in the primary classroom / 
Wynne Harlen, Sheila Jelly. 
 - 2nd ed. 
 - Harlow :  Longman,  1997. 
 - 76p. :  ill. ;  24 cm. 
<br/><br/> Previous ed.: 1989. 
<br/><br/>Index. 
<br/><br/><label>ISBN: </label>0582308518 9780582308510 
<br/><br/><label>Nat. Bib. No.: </label>GB9745926  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Elementary)--Great Britain.