Kudagamage, Athula බිස්නස් මන්තර - Vishishta Publisher Kiribathgoda 2017 - 183p 1 - 2023-12-19 ISBN: 978-955-7587-06-6 Nat. Bib. No.: 0006003 Nat. Bib. Agency Control No.: KUD Universal Decimal Class. No.: 150