Demographic survey 

 - Colombo  Govt Press Sri Lanka         1994 
 - 143p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography
<br/><br/><label>Dewey Class. No.: </label>Y:5.4498s, N4/GD