Sleepman, Phillip J. <br/><br/>
Instructional media and technology : a guide to accountable learning systems 

 - New York  Longman  1979 
 - 374p. 
<br/><br/><label>ISBN: </label>058228040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology b- Addresses, essays, lectures
<br/><br/><label>Dewey Class. No.: </label>371.33 SLE