Singh Surendar <br/><br/>
Tehnological transformation in agriculture 
Singh Surendar 
 - New Delhi  Ariana Publishing       1984 
 - iv,224p  cm. 
<br/><br/><label>Standard No.: </label>36459 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X9(J):327.23741'N, M4