Gunasena, H.P.M. <br/><br/>
Food security and small tank systems in Sri lanka 

 - Colombo  National sciense foundation   2000 
 - 129p.,  28 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.67   / OOD