Abedheera, Nilmini කලනය 2 = kalanaya - 2 : vyuthpannaya haa ahi Baavitha - Colombo: Godage, 2005. - 354p.; 21cm ISBN: 955-20-7983-7 Subjects--Topical Terms: CalculusMathematics Dewey Class. No.: 515 / ABE