Ileperuma, O.A. Inorganic chemistry For G.C.E Advanced Level ( group chemistry and industrial chemistry) - Peradeniya University of Perdeniya 2008 - x, 208 p. ISBN: 9789559557449 Subjects--Personal Names: ලොකුපිටිය, ජිනදාස Subjects--Topical Terms: BOOK BOX B1330MENTORINGINORGANIC CHEMISTRY Dewey Class. No.: B1330 / LDC