Arunashantha Amarasighne ගිණුම්කරණය -1 - Padhnama Publisher Gothtuwa 2017 - 84p 1 - 2023-11-22 ISBN: 978-955-679-081-8 Nat. Bib. No.: 0006119 Nat. Bib. Agency Control No.: AMA Universal Decimal Class. No.: 658.834