The virtual campus :  trends for higher education and training / 
edit. by Felisa Verdejo and Gordon Davies 
 - London :  Chapman and Hall,  c1998 
 - vi, 303 p. 
<br/><br/><label>ISBN: </label>0412835509 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Educación a distancia