Keegan, Desmond <br/><br/>
Foundations of distance education 

 - London  Croom Helm  1986 
 - 277p. 
<br/><br/><label>ISBN: </label> RS 393.01 
<br/><br/><label>Source: </label> RS 393.01 
<br/><br/><label>Dewey Class. No.: </label>378.02 KEE