Sumanasinghe, V. A.Karunasena, K. D. I. P.Wijesundara, D. S. A.2024-09-112024-09-112009-12-03Peradeniya University Research Session PURSE- 2009, Book of Abstract , University of Peradeniya , Sri Lanka , Vol.14. 3rd july. 2009 pp 206978-955-589-131-81391-4111https://ir.lib.pdn.ac.lk/handle/20.500.14444/955en-USArticle