Littleton, Karen Ed. <br/><br/>
Educational dialogues  understanding and promoting productive interaction 

 - London  Routledge  2010 
 - xi, 356p.  PB  24cm. 
<br/><br/><label>ISBN: </label>9780415462167 
<br/><br/><label>Dewey Class. No.: </label>371.1022  / EDU