A R Desai <br/><br/>
An experimental study on the relative effectiveness of communication media on knowledge, symbolic and use adoption of selected p 

 - M Sc (Agri) 
 - Bangalore  University of Agricultural Sciences, Bangalore  1981 
 - 130p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630.715  / DES