Learning and teaching in distance education : Analyses and interpretations from an international perspective 
Peters, Otto. 
 -  Cogan Page Limited.  1998 
 - viii, 248 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-7494-2855-4 
<br/><br/><label>Dewey Class. No.: </label>371.35 P44 1998, r2000