Heinich, Robert. <br/><br/>
Instructional media and the new technologies of instruction / 
Robert Heinich, Michael Molenda, James D. Russell. 
 - 4th ed. 
 - New York :  Macmillan;  c1993. 
 - xv, 456 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>LCCN: </label>88012921 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education.<br/>Educational technology.
<br/><br/><label>LC Class. No.: </label>LB1028.3  / .H45 1993