Elfert, Maren (ed.) <br/><br/>
Towards an open learning world 
Maren (ed Elfert 
 - Hamburgh   UNESCO Institute for Education  2002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Open Learning
<br/><br/><label>LC Class. No.: </label>LC 5219 .T69