Cleary, Alan <br/><br/>
Educational technology :  implications for early and special education / 
Alan Cleary, Terry Mayes, Derek Packham 
 - London  John Wiley & Sons  1976 
 - x, 191 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 166-174. 
<br/><br/><label>ISBN: </label>0471160458 
<br/><br/><label>LCCN: </label>75-001239 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology