Poleyn, Kenneth A. <br/><br/>
An educator's guide to communication satelite technology 
by Kenneth A. Poleyn 
 - Washington  Academy for Educational Development  1973 
 - 99p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Television in Education<br/>Mass Media<br/>Artificial Satellite in Tele-communication
<br/><br/><label>Dewey Class. No.: </label>W948 P758