Harlen, W <br/><br/>
the teaching of science:  studies in primary education 
Wynne,Harlen 
 - London:  David Fulton   1988. 
 - 229p.:  ill.;  23 cm 
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1853461547 
<br/><br/><label>LC Class. No.: </label>DUCE LB1585.5G7H38