Rathnayake, L.M.S.M., Department of Zoology & Environment Sciences, University of Colombo, Sri Lanka
Rathnayake, M., Department of Chemical and Process Engineering, University of Moratuwa, Katubedda, Sri Lanka
Rathnayake, Priyantha, Department of Forestry and Environmental Science, University of Sri Jayewardenepura
Rathnayake, R. H. W. L., Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka
Rathnayake, R. S. Sujith, University of Sri Jayewardenepura, Nugegoda
Rathnayake, R.M.A.K., National Building Research Organization, Colombo 05
Rathnayake, R.M.S.W., Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
Rathnayake, R.M.U.B., Department of Forestry and Environmental Science, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
Rathnayake, R.S.S., Ministry of Environment and Natural Resources of Sri Lanka
Rathnayake, R.S.S. (Sri Lanka)
Rathnayake, T. A. D. S. Jayapala, Forest Department, University of Sri Jayewardenepura
Rathnayake, U.
Rathnayake, W., Department of Wildlife Conservation, No: 18, Gregory's Road, Colombo 7
Rathnayake, W. S. K., Faculty of Agriculture, University of Ruhuna, Mapalana, Kamburupitiya ,Sri Lanka.
Rathnayake, W.S.M., Department of Chemistry, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
Rathnayke, R.M.S.N., Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
Ratnakumar, A., Department of Materials Science and Engineering, University of Moratuwa, Moratuwa, Sri Lanka
Ratnakumar, A., Department of Materials Science and Engineering, University of Moratuwa, Sri Lanka
Ratnasekera, D., Department of Agricultural Biology, Faculty of Agriculture, University of Ruhuna, Kamburupitiya, Sri Lanka
Ratnasekera, D., Department of Agricultural Biology, Faculty of Agriculture, University of Ruhuna, Sri Lanka
Ratnasekera, D., Faculty of Agriculture, University of Ruhuna, Sri Lanka Tel- ++94718232808, Fax- ++94412292382/4
Ratnasekera, Disna, Faculty of Agriculture, Mapalana, Sri Lanka.
Ratnasekera, Disna, Rice research and Development Institute, Bathalagoda, Sri Lanka.
Ratnasekera, W.A.D.P.R., Department of Agric. Biology, University of Ruhuna, Sri Lanka
Ratnasiri, N., Ceylon Petroleum Corporation, Colombo 09, Sri Lanka

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