Harlen, Wynne. <br/><br/>
Teaching and learning primary science / 
Wynne Harlen. 
 - 2nd ed. 
 - London :  Paul Chapman,  1993. 
 - 209p ;  23 cm. 
<br/><br/> Previous ed., 1985.  Includes index. 
<br/><br/><label>ISBN: </label>185396185X  £13.95 9781853961854