University Colombo <br/><br/>
සංඛ්‍යාන වගු 
 Statistical table 

 -  Statistical unit Colombo university 
 - 28p.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistic table
<br/><br/><label>Universal Decimal Class. No.: </label>519.2  / SAN