Heinich, Robert, et al. <br/><br/>
Instructional media and technologies for learning 
By Robert Heinich, et al. 
 - Upper Saddle River  Printice Hall, Inc  1999 
 - xix, 428 pages, 28 cm. 
<br/><br/> Includes appendix, glossary, credits, and index 
<br/><br/><label>ISBN: </label>0-13-859159-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology.<br/>Audio-visual education.
<br/><br/><label>Dewey Class. No.: </label>371.33 In7 1999