Gunasekara, Upali ඔවුහු ගුරුවරු වෙති - Aouther Publisher Maharagama 1999 - 61p 1 - 2023-09-25 ISBN: 955-96098-9-0 Nat. Bib. No.: 0000684 Nat. Bib. Agency Control No.: GUN Universal Decimal Class. No.: 398.2