Lain,Roos Wilder <br/><br/>
යෞවන පුරෝගාමියෝ 
 Yawwana Purogamiyo 

 - Saraswathi Publications  Divulapitiya  1999 
 -  132p, 18 cm 
<br/><br/><label>Universal Decimal Class. No.: </label>8 S31(802.0)  / LAI