Language in education :  a source book / 
prepared by the Language and Learning Course Team at the Open University 
 - London :  Routledge and Kegan Paul in association with the Open University Press,  1972 
 - x, 254 p. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>071007431X :  PND 2.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages<br/>Sociolinguistics<br/>Communication
<br/><br/><label>Dewey Class. No.: </label>407