Diffusion of a farm practice in indian village 

 - s.l  s.n.            1960 
 - Various Pagination  cm. 
<br/><br/> The document contains various articles and authors. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(J) .2.N60, KO