International yearbook of educational and training technology 1989  : association for educational and training technology 
edited by C W Osborne  
 - London:  Kogan Page,  1989. 
 - 475p. 
<br/><br/> Includes index 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>1850917760 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology-Serials 
<br/><br/><label>Dewey Class. No.: </label>371.03078  / INT