Media in aid of development    The constraints    

 - Colombo  HW Cave           1978 
 - vii, 108p  cm. 
 - Colombo Plan Bureau Information Department, Publication .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Communication
<br/><br/><label>Dewey Class. No.: </label>Y:3930bX:77, L8