Ratnapala, Noeline S., University of Sri Jayewardenapura, Sri Lanka
Ratnarajah, Vassanthini, Eastern University, Sri Lanka
Ratnasabapathy, S.
Ratnasekera, D
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, IU, Faculty of Medical Sciences , University of Sri Jayewardenepura
Ratnasekera, W.A.D.P.R., Department of Agric. Biology, University of Ruhuna, Sri Lanka
Ratnasinghe , D.R., Faculty of Graduate Studies, University of Sri Jayewardenepura, Gangodawila, Nugegoda Sri Lanka
Ratnasinghe, D.R., Department of Physics Faculty of Applied Sciences University of Sri Jayewardenepura
Ratnasiri, N., Ceylon Petroleum Corporation, Colombo 09, Sri Lanka
Ratnasooriya, A.H.R., Department of Civil Engineering, University of Moratuwa, Katubedda, Sri Lanka
Ratnasooriya, W. D., Department of Zoology, Faculty of Science, University of Colombo, Colombo 03, Sri Lanka
Ratnasooriya, W. D., Department of Zoology, University of Colombo, Colombo 03 (Sri Lanka)
RATNASOORIYA, W. D., Department of Zoology, University of Colombo, Colombo 3
Ratnasooriya, W. D., Department of Zoology, University of Colombo,
Ratnasooriya, W. D., Department of Zoology, University of Colombo, Colombo 03.
RATNASOORIYA, W. D., Departments of Zoology and *Chemistry, University of Colombo, Colombo 3 Sri Lanka
Ratnasooriya, W.D., Department of Zoology, University of Colombo, Sri Lanka.
RATNASOORIYA,, W. D., Department of Zoology and *Department of Chemistry, University of Colombo, Colombo 3, Sri Lanka
Ratnassoriya, W. D., Department of Zoology, University of Colombo, Colombo 03
Ratnatilleke , A., Department of Chemistry, University of Kelaniya, Dalugama, Sri Lanka

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