The impact of educational television  selected studies from the research sponsored by the National Educational Television and Radio Center 
edited for the center by Wilbur Schramm. 
 - Urbana, Illi.  University of Illinois Press  1960. 
 - viii, 247 p.  graphs. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>bev00000541  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Television in education