Harlen, Wynne <br/><br/>
Unesco sourcebook for science in the primary school  a workshop approach to teacher education 
Wynne Harlen, Jos Elstgeest 
 - Paris  Unesco  1992 
 - 271 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>9231027212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching