Class and pedagogies :  visible and invisible / 
Basil Bernstein 
 - Paris :  OECD,  1975 
 - 36 p. ;  27 cm. 
 - Studies in the learning sciences  2 .
 - Studies in the learning sciences  2 .
<br/><br/> At head of title:  Center for Educational Research and Innovation (CERI) 
<br/><br/>Bibliography :  p. 35-36 
<br/><br/><label>ISBN: </label>9264113347 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning, Psychology of<br/>Education, Preschool