Ellington,Henry. <br/><br/>
Handbook of eductional technology/ 
Henry Ellington, Fred Percival and Phil Race. 
 - 3rd ed. 
 - London :  Kogan Page Ltd,  c1993. 
 - xi, 263 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0749408499 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eductional technology--Handbooks, manuals, etc.
<br/><br/><label>LC Class. No.: </label>LB1028.3  / E45 1993