Seminar on methodology of studying productivity in agriculture 

 - New Delhi   Institute of Agricultural Research ICAR India     
 - 400p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J):2p2,N70, GD