Ray, Howard E <br/><br/>
Short-term mass media consultant  pilot communication project for effective transfer of field crop production technologies to farmers 

 - Peradeniya  DARP  1988 
 - i,40 p. 
 - versified agricultural research projec .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630.715  / RAY