Heinrichs, Waldo H. <br/><br/>
Instructional media and the new technologies of instruction 

 - 3rd Edition 
 - New York  Macmillan  1989 
 - 456p. 
<br/><br/><label>ISBN: </label> RS 800.00 
<br/><br/><label>Source: </label> RS 800.00 
<br/><br/><label>Dewey Class. No.: </label>371.3 HEI