Tennakone, K.Kumara, G.R.R.A.Wijayantha, K.G.U.Kottegoda, I.R.M.Perera, V.P.S.Aponsu, G.M.L.P.2015-09-032015-09-031998Semiconductor Science and Technology, 13:p.134-138https://dl-ifs.nsf.gov.lk/handle/1/649Article