The Role of technology in distance education 
edited by A.W. Bates 
 - London  Croom Helm  c1984 
 - 231 p.  ill.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education--Audio-visual aids
<br/><br/><label>Dewey Class. No.: </label>371.3  / 07  / 8