Socio-economic survey of Sri Lanka, 1969-70, rounds 1-4  statistical tables  Vol.1  population, labour force and housing 1973 

 - Colombo  Department of Census and Statistics  1973 
 - xii, iv, 133p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>330.9  / S63