Rumble, Greville <br/><br/>
The management of distance learning systems /  
Greville Rumble. 
 - Paris :   UNESCO, International Institute for Educational Planning,  1992. 
 - 108 p. :  
 - Fundamentals of educational planning  43 .
<br/><br/> Includes bibliographical references  
<br/><br/><label>ISBN: </label>928031145X 
<br/><br/><label>Subjects--Topical Terms: </label>