Aspects of educational technology 
Edited by A. Mann ... [et al.] 
 - London  Pitman publishing  1969-1973 
 - v. :  fig., tables ;  24cm 
<br/><br/> * Lib. has vol.: 3, 4, 5 and 7. * Bibliographical references at the end of chapters. 
<br/><br/><label>ISBN: </label>0273003003 9780273003007 
<br/><br/><label>LCCN: </label>442/4-5738 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>371.33/A838