Jayaratna, Y. G. S. W.Gunasena, D. T.Ranaraja, S.Pallewaththa, A.Punchihewa, R.2024-12-052024-12-052009-12-03Peradeniya University Research Session PURSE -2009, Proceeding and Abstracts, Vol.14,3rd December, 2009, University of Peradeniya, PP. 72978-955-589-131-81391-4111https://ir.lib.pdn.ac.lk/handle/20.500.14444/4617en-USArticle