Ball, John <br/><br/>
Research, principles, and practices in visual communication 

 - Washington, D.C. :  National Education Association,  1960 
 - 160 p.  : ilus. 
<br/><br/><label>LCCN: </label>70840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comunicación de masas.<br/>Educación audiovisual.
<br/><br/><label>Dewey Class. No.: </label>371.33  / B3