Iriyagama, Thissa වැවිලි ආර්ථිකය = wawili aarthikaya - Homagama: Tharanga, 2007. - 89p.; ill.; 22 cm. ISBN: 955-99414-2-9 Subjects--Topical Terms: ProductionFinancial aspects Dewey Class. No.: 338.13 / IRI