An Analysis of the Pre-Mahaweli Situation in H4 and H5 Areas in Kala-Oya Basin 

 - Agrarian Research and Training Institute, Colombo, Sri Lanka  Colombo  1979 
 - 125p. 
 - Research Study No. 33 .
<br/><br/><label>Nat. Bib. No.: </label>5023 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.15  / ART