National youth health survey 2012/2013 Sri Lanka 

 - Colombo  Family Health Bureau  2015 
 - x, 126p. 
<br/><br/><label>ISBN: </label>9551503414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ADOLESCENT HEALTH
<br/><br/><label>Universal Decimal Class. No.: </label>613.96  / N17