G.L. Ray <br/><br/>
Studies in agricultural extension and management 

 - Delhi  Mittal Publication.  1989 
 - 163p 
<br/><br/>G.L. Ray: Studies in agricultural extension and management.  Delhi.  Mittal Publication., 1989.--(630.715RAY)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630.715  / RAY