Seminar on Irrigation for the Centenary Programme of the Irrigation Department, Vol. 2 

 - Colombo  Irrigation Department Sri Lanka  2001 
 - [10],58 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IRRIGATION<br/>IRRIGATION DEPARTMENT<br/>IRRIGATION SEMINAR<br/>PAMPHLET BOX 243