Widanapathirana, A.S. <br/><br/>
Gal Oya water management research project   Seasonal report for 1983 yala season  

 - Colombo  Agrarian Research and Training Institute  1984 
 - vii,30p.  29cm 
 - Occasional publication No. 31 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERAL TOPICS OF WATER<br/>ECONOMICS OF LAND AND ENERGY<br/>OTHER NATURAL RESOURCES
<br/><br/><label>Dewey Class. No.: </label>333.9117  / WID