The Role of technology in distance education  [Texte imprimé] / 
ed. by A. W. Bates 
 - London:  Croom Helm,  1984 
 - 230 p. :  couv. ill. ;  22 cm 
<br/><br/>Notes bibliogr. 
<br/><br/><label>ISBN: </label>0-312-68942-X 
<br/><br/><label>Dewey Class. No.: </label>371.33