Final report on the Nilwala-ganga flood protection schemes 

 - Colombo  Government press  1940 
 - 20 p.-                                                                          Sessional paper xiv.-1940 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social welfare
<br/><br/><label>Dewey Class. No.: </label>363.34936  / NIL