Elliot, Sergio <br/><br/>
Distance education systems / 
by Sergio Elliot 
 - Rome :  Food and Agriculture Organization of the United Nations,  1990 
 - [ii], iv, 73 p. ;  30 cm. 
 - FAO economic and social development paper ;  no. 67 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9251024480 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distance education<br/>Instructional systems--Design<br/>Learning
<br/><br/><label>Dewey Class. No.: </label>330