TY - BOOK AU - Kithsiri, Palitha H.M AU - Siriwardhana, P.P.G.S.N. AU - Rupika, Hemali G.R. AU - Rathnayake G.A.A. TI - Sri Lankawe Eakadeshiya Miridiya Masun PY - 2003///, CY - Colombo PB - NARA ER -