Unknown <br/><br/>
A handbook of syllabus and question papers of departmental examinations held for promotion in the Irrigation Department 

 - Irrigation Department  Colombo  1953 
 - 57p. 
<br/><br/><label>Nat. Bib. No.: </label>2350 
<br/><br/><label>Universal Decimal Class. No.: </label>76.1  / HAN