Ellington, Henry. <br/><br/>
Dictionary of instructional technology / 
Henry Ellington and Duncan Harris. 
 - New York :  Nichols Pub. Co,  1986. 
 - 189 p. :  ill. ;  25 cm. 
 - AETT occasional publication ;  6 .
<br/><br/> Closed. 
<br/><br/><label>ISBN: </label>0893972436 
<br/><br/><label>LCCN: </label>8528530  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Dictionaries.<br/>Educational technology--Dictionaries.