Jayasingha,Kapila Gamini <br/><br/>
ඔප්පුවලට බලපාන නීති 
 Oppuwalata Balapana Neeti 

 - Nugegoda  Sarasavi Publisher  2014 
 -  268p, 21cm 
<br/><br/><label>Universal Decimal Class. No.: </label>341  / JAY