Ray, G L  . <br/><br/>
Studies in agricultural extension and management /  
by G. L Ray. 
 - New Delhi :   Mittal Publications ,   1989. 
 - xi, 163p. :   Tables ;   22cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label> Rs. 120.00 (Hbk) 
<br/><br/><label>Subjects--Index Terms: </label>AGRICULTURAL PRODUCTION 
<br/><br/><label>Dewey Class. No.: </label>338.18  / RAY/S