Sri Lanka journal of population studies Vol. 20, no. 01-02 (2019) 

 - Colombo:  Population association of Sri Lanka,  2019. 
 - 01.02.2019-28.02.2019, 01.08.2019-30.08.2019 
<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