Rowntree, Derek. <br/><br/>
Exploring open and distance learning  

 - London :  Kogan Page,  1992. 
 - 299 p. ;  24 cm. 
 - Open and distance learning series .
<br/><br/><label>ISBN: </label>9780749408138 
<br/><br/><label>Subjects--Index Terms: </label>Educazione a distanza 
<br/><br/><label>Dewey Class. No.: </label>378.03