Making learning systems work / 
edited by Diana Eastcott, Bob Farmer and Brian Lantz 
 - London :  Kogan Page,  1990 
 - 271 p. :  ill. ;  24 cm. 
 - Aspects of Educational and Training Technology  v.23 .
<br/><br/><label>ISBN: </label>0749400501 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology