Widanapathirana, A. S <br/><br/>
Gal Oya Water Management Project : Mid-Term Impact Assessment 

 - Colombo  Agrarian Research and Training Institute  1985 
 - 141 p. 
 - Research Study, No. 63 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRARIAN RESEARCH<br/>AGRICULTURE<br/>PAMPHLET BOX 139<br/>WATER MANAGEMENT