Lea Mary R. Ed. <br/><br/>
Distributed learning : Social and cultural approaches to practice 

 - London, UK  Routledge Falmer  2002 
 - ix,214p. 
<br/><br/><label>ISBN: </label>0-415-26809-5 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education