Maddison, John <br/><br/>
Radio and television in literacy :  a survey of the use of the broadcasting media in combating illiteracy among adults / 
John Maddison. 
 - París :  UNESCO,  1971. 
 - 82 p. :  il. 
 - Reports and papers on mass communication ;  62 .
<br/><br/> Incluye bibliografía 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014. 22:371. 68=20 MAD No.62