Heinich,Robert <br/><br/>
Instructional media and the new technolgies of instruction / 
Heinich,Robert. 
 - 4th ed. 
 - New York:  macmillan, 
 - xv,463p;28cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>002353060X 
<br/><br/><label>Dewey Class. No.: </label>371.3078 HEI