Danapala . A.H ආපදා කළමනාකරණය : - Sarasvi : Nugegoda ; 2012. - 439 p ; 21 cm . 01 - 2025-02-18 ISBN: 9789556716405 Nat. Bib. No.: 0000002 Nat. Bib. Agency Control No.: DAN Universal Decimal Class. No.: 784