Peris,Lester James.Kumar de Silva and Atula Samarakoon <br/><br/>
ලෙස්ටර් පවත 
 Lester Pawatha 

 - s.I.  Samaranayaka Publisher  2014 
 -  344p, 23cm 
<br/><br/><label>Universal Decimal Class. No.: </label>791.43  / PER