Distance education :  new perspectives / 
edited by Keith Harry, Magnus John and Desmond Keegan 
 - London :  Routledge,  1993 
 - 348 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0415089417  RM185.85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education--United States<br/>Educational technology--United States