Dias, Marco Antonio Rodrogues ,et.al. <br/><br/>
National communication policy councils 

 - Paris  UNESCO    1979 
 - 44 
<br/><br/>Includes bibliography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Theories of knowledge<br/>  Communication
<br/><br/><label>Dewey Class. No.: </label>001.51  / D541n