Bhupal D S <br/><br/>
Comparative economics of mechanised and non-mechan 
Bhupal D S 
 - Delhi  A E R C         1993 
 - 71p  cm. 
 - Agricultural Economics Research Centre, Publication; 93/1 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Economics
<br/><br/><label>Dewey Class. No.: </label>X9(J):4.242.N9, N3