Evaluating educational television and radio :  proceedings of the International Conference on Evaluation and Research in Educational Television and Radio, the Open University, United Kingdom, 9-13 April 1976 / 

 - Milton Keynes :  The Open University Press,  1977 
 - xviii, 410 p. :  ill. ;  25 cm. 
<br/><br/> Conference held at Milton Keynes 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0335000452 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational broadcasting--Congresses