Singh J P <br/><br/>
Analysis of trends in operational holdings in Hary 
Singh J P 
 - Delhi  AERC            1997 
 - xiii,315p  cm. 
 - Agricultural Economics Research Centre, Research Study, 4 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:322.242.N9, N7