Ranathunga, E. A. N. D.Silva, G. L. L. P.2024-10-092024-10-092009-12-03Peradeniya University Research Session PURSE -2009, Proceeding and Abstracts, Vol.14,3rd December, 2009, University of Peradeniya, PP. 2151391-4111https://ir.lib.pdn.ac.lk/handle/20.500.14444/1724en-USArticle