Abeywardena, H. H. E.Jayawardena, K. L. T. D.Wickremasinghe, I. N. A.Silva, D. D. N. DeGunawardena, G. S. P. De2024-12-052024-12-052009-11-03Peradeniya University Research Session PURSE -2009, Proceeding and Abstracts, Vol.14,3rd December , 2009, University of Peradeniya, PP. 59978-955-589-131-81391-4111https://ir.lib.pdn.ac.lk/handle/20.500.14444/4612en-USArticle