Hettiarachchi, P.Premathilaka, W. H. A. G.Motha, J. T. S.Pitawala, A.2024-10-092024-10-092009-12-03Peradeniya University Research Session PURSE -2009, Proceeding and Abstracts, Vol.14,3rd December, 2009, University of Peradeniya, PP. 265978-955-589-131-81391-4111https://ir.lib.pdn.ac.lk/handle/20.500.14444/1727en-USArticle