Department of census and statistics state ministry of economic and policy development Sri Lanka  <br/><br/>
සංඛ්‍යාන නිබන්ධනය   2019 
= Statistical abstract   2019 


 - Sri Lanka   Department of census and statistics state ministry of economic and policy development Sri Lanka   2019 
 - xxxiii,447  p.  ill 
<br/><br/><label>ISBN: </label>9789557021546