Educational use of mass media. 

 - Washington :  World Bank,  1981. 
 - Working papers series; no. 491 .
<br/><br/> This reports looks at the actual potentialities of audio visual media, the use educational mass media for curriculum improvement and the choice between a combination of net work broadcasting and local broadcasting. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.<br/>Teaching methods -- Audio-Visual Aids.--Teaching methods -- Audio-Visual Aids.