Desmond Keegan <br/><br/>
Foundations 0f distance education 

 - 3rd ed 
 - Routledge, London  1996 
 - xiii,1224p 
<br/><br/><label>ISBN: </label>0-415-13909-0 
<br/><br/><label>Dewey Class. No.: </label>374.4 Kee