Heinich, Robert. <br/><br/>
Instructional Media and the New Technologies of Instruction / 
Robert Heinich 
 - New York :  John Wiley & Sons,  1982 
 - 375 p. :  ill. 
<br/><br/><label>ISBN: </label>0471368938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology.<br/>Audio-visual education.
<br/><br/><label>LC Class. No.: </label>LB1028.3  / H45 I5 1982