Ranatunga, A.S. Abeysekera, W.A.T. <br/><br/>
Profitability and resource characteristics of paddy farming / 
A.S.Ranatunga, W.A.T.Abeysekera 
 - Colombo  Agrarian research and training institute 
 - xi, 55 p. 
<br/><br/><label>ISBN: </label>69162 
<br/><br/><label>Dewey Class. No.: </label>633.18  / RAN