Ranwala, S.M.W.
Rashmika, L.R.U.
Rasna, N.F.
Ratheepan, P.
Ratheesh, N.
Rathmalgoda, A.S.
Rathnapala, J.M.S.N.
Rathnapriya, K.P.P.V.
Rathnapriya, R.H.K.G.
Rathnasiri A.K.N.E.
Rathnasri, S.
Rathnayaka R.M.C.R.
Rathnayaka, K.W.A.M.A.G.T.M.
Rathnayaka, R.M.A.T.
Rathnayaka, R.M.D.T.
Rathnayaka, S.K.V.V.D.
Rathnayake N.R.R.W.S.
Rathnayake N.R.R.W.S., Department of Soil Science, Board of Study in Agriculture, Faculty of Graduate Studies, University of Ruhuna, Matara, Sri Lanka / Department of Soil Science, Faculty of Agriculture, University of Ruhuna, Kamburupitiya, Sri Lanka
Rathnayake O.M.S.C.
Rathnayake R.M.U.B.
Rathnayake W.A.S.P.P.
Rathnayake, D.K.
Rathnayake, N.R.R.W.S.
Rathnayake, R.M.A.
Rathnayake, R.M.L.I.