de Alwis, W.N.H., Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka
De Costa, D., University of Peradeniya, Sri Lanka
De Costa, J., Faculty of Agriculture, University of Peradeniya, Peradeniya, Sri Lanka
de Costa, M. O. P., Department of Chemistry, University of Colombo, Sri Lanka. Distribution offive types of heavy metals in the Lunawa Lagoon (Colombo District
De Costa, W. A. J. M., Department of Crop Science, Faculty of Agriculture, University of Peradeniya
De Costa, W. A. J. M., Department of Crop Science, Faculty of Agriculture, University of Peradeniya
De Costa, W. A. J. M., Department of Crop Science, University of Peradeniya
De Costa, W. A. J. M., Department of Crop Science, University of Peradeniya, Sri Lanka
De Costa, W. A. J. M., Faculty of Agriculture, University of Peradeniya
De Costa, W.A.J.M., Department of Crop Science, Faculty of Agriculture, University of Pcradeniya
De Costa, W.A.J.M., Department OF Crop Science, Faculty of Agriculture, University of Peradeniya
De Costa, W.A.J.M., Department of Crop Science, University of Peradeniya, Sri Lanka
De Costa, W.A.J.M., Faculty of Agriculture, University oi Peradeniya, Peradeniya
De Croos, M.D.S.T.
De Fonseka, H.F.D.G., Faculty of Medical Sciences, University of Sri Jayewardenepura
De Livera, M. S. S., PhD Candidate, Faculty of Management Studies and Commerce, University of Sri Jayewardenapura
de Mel, W.R.
De Peiris, T. Nayomi S. , University of Sri Jayewardenepura, Sri Lanka
De Peiris, T.N.S., University of Sri Jayewardenepura, Sri Lanka
de S Liyanage, M, Department of Crop Science, Faculty of Agriculture, University of Ruhuna
De Seram, C., Division of Entomology, Tea Research Institute, Talawakelle, Sri Lanka
DE SILV, B. G. D. N. K., Entomology Division, Anti-Malaria Campaign Department of Zoology, University of Sri Jayewardenepura
de Silva, A., University of Colombo, Sri Lanka
De Silva, A., Faculty of Agricultural Sciences, Sabaragamuwa University, Sri Lanka
De Silva, A.D.C., Gem and Jewellery Research and Training Institute, Walivita, Kaduwela

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