Wijayarathna, W.K.M.; Amarakoon, A.A.C.N.; Dushmantha, H.M.K.G.; Gunawardhana, A.G.K.C.; Madhusanka, G.A.D.J.(Rajarata University of Sri Lanka, 2018-06-18)
Rev.Chandima, Kowane; Rev.Dumindalankara, Panadure; Ranthilaka, R.R.R.P.W.A.S.(Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, 2020)