Perera, P.A.Y.A.S.; Adikari, A.M.M.I.T.; Adhikari, A.R.K.M.; Bandaranayaka, E.M.R.V.N.P.K.; Rajapaksha, G.B.C.; Garusinhe, G.S.A.K.; Samha, M.H.F.; Rathnayake, R.M.S.K.; Thenuwara, T.D.T.S.; Jayapala, H.P.S.; Mahagamage, M.G.Y.L.
(The Open University of Sri Lanka, 2026-06)