Widanapathirana, A. S <br/><br/>
Gal Oya Water Management Research Project : Seasonal Report for 1983 Yala Season 

 - Colombo  Agrarian Research and Training Institute  1984 
 - 29 p. 
 - Occational Publication, No. 31 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRARIAN RESEARCH<br/>AGRICULTURE<br/>PAMPHLET BOX 139<br/>WATER MANAGEMENT