International yearbook of educational and instructional technology 1986/87 /  
Association for Educational and Training Technology, C.W. Osborne and A.J. Trott.  
 - London :   Kogan Page,   c1986.  
 - 481 p. ;   23 cm.  
<br/><br/><label>ISBN: </label>1850911037  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tecnologie dell'istruzione - Annuari. 
<br/><br/><label>Dewey Class. No.: </label>371.3078  / ASO