Sri Lanka journal of population studies Vol. 12-13 (2011) 

 - Colombo:  Population association of Sri Lanka,  2011. 
 - 135 p. 
<br/><br/><label>ISSN: </label>13913433 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population
<br/><br/><label>Dewey Class. No.: </label>304.605  / SRI