Economics of agricultural production and farm mana 

 - Chandigrah  Govt Press India         
 -  1967-68 to 1969-70 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>X9(J):8.243r, (GD)