Report on cost of cultivaiton of important crops in Kerala 

 -  1985-86 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Food  Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J3):26.212s, M6/GD