Biyanvila, Ariyadasa කාබනික රසායන විද්යාව 2 = a .po.sa (usas pela) kaabanika rasaayana vidyaava (2) ; 10,11 ekaka saha visadu aByaasa - Colombo: Godage, 2014. - 108p.; 24cm ISBN: 978-955-30-4833-2 Subjects--Topical Terms: Inorganic chemistry Dewey Class. No.: 546 / BIY