COST of cultivation of agricultural crops 2008 yala 

 - Peradeniya  Socio economics and planning centre  2009 
 - xi, 101 p. 
<br/><br/><label>ISBN: </label>197146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Costs
<br/><br/><label>Dewey Class. No.: </label>338.51  / COS