Premarathne, J. M. K. J. K.Munasinghe, D. M. S.Gunasena, A. R. C.Abeynayake, P.2024-10-092024-10-092009-12-03Peradeniya University Research Session PURSE -2008, Proceeding and Abstracts, Vol.14,3rd December , 2009, University of Peradeniya, PP 6978-955-589-131-81391-4111https://ir.lib.pdn.ac.lk/handle/20.500.14444/1651en-USArticle