Language in education:  a source book/ 
prepared by the Language and Learning Course Team at the Open University. 
 - London,  Boston,  Routledge and Kegan Paul in association with the Open University Press,  1972. 
 - x, 254 p.  25 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0710074301  TZS 3000/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and society<br/>Sociolinguistics.<br/>Communication.
<br/><br/><label>Dewey Class. No.: </label>407 OPE  / 1