SRI LANKA.Department of Census and Statistics <br/><br/>
Census of population and housig Sri lanka -198: the ecoomically active population, table based on a ten percent sample  /Department of Census and Statistics 

 - Colombo  Department of Census and Statistics  1983 
 - x, 102 p. 
<br/><br/><label>Dewey Class. No.: </label>315.493   / SRI