Department of census and statistics <br/><br/>
Statistical abstract 2001 

 - Colombo  Department of census and statistics  2002 
 - xxxx, 462p.  28cm. 
<br/><br/><label>ISBN: </label>955577319x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistical mathematics
<br/><br/><label>Dewey Class. No.: </label>519.5  / STA