Rathnayake, R.M.K., Department of Geography University of Sri Jayewardenepura
Rathnayake, R.M.N.M. , Sri Lanka Institute of Information Technology, Malabe, Sri Lanka
Rathnayake, R.M.S.W., Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
Rathnayake, R.M.T.N., Department of Accountancy, Faculty of Business Studies and Finance, Wayamba University of Sri Lanka, 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.N.P.R.N.P.
Rathnayake, R.S.S., Ministry of Environment and Natural Resources of Sri Lanka
Rathnayake, R.S.S. (Sri Lanka)
Rathnayake, RMAK
Rathnayake, Rovini, University of Sri Jayewardenepura
Rathnayake, S. N. Punchihetti, University of Sri Jayawardenapura
Rathnayake, Sanjeewa, MBA Scholar Faculty of Social Sciences and Humanities, Open University of Sri Lanka
Rathnayake, Swarna, Department of Zoology, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
Rathnayake, T. A. D. S. Jayapala, Forest Department, University of Sri Jayewardenepura
Rathnayake, T.S., Faculty of Management Studies & Commerce University of Sri Jayewardenepura Nugegoda
Rathnayake, U.
Rathnayake, U. N. K., International Center for Multidisciplinary Studies, University of Sri Jayewardenepura, Sri Lanka
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
Rathnayake, Yasanjali Devuka Jayathilaka, Faculty of Humanities and Social Sciences University of Sri Jayewardenepura
Rathnayke, R.M.S.N., Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
Rathwatta, H, Faculty of Management Studies and Commerce, 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

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