Bates, Tony . <br/><br/>
Evaluating Educational Television and Radio /  Textual Documents 
Tony Bates,John Robinson. 
 - 1st ed / 
 - Sl :  The Open University Press ,  1977. 
 - 406 p ;  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Education 
<br/><br/><label>Dewey Class. No.: </label>384.54  / Bat