Wanigaratne, R.D. <br/><br/>
The study of communication flow in selected villages in Sri Lanka 

 - Colombo  Agrarian research and training institute  1976 
 - ii, 53 p. 
<br/><br/><label>ISBN: </label>50138 
<br/><br/><label>Dewey Class. No.: </label>301.143  / SRI