Weerasinghe, J. U.Siriwardena, B. S. M. S.2024-09-112024-09-112009-12-03Peradeniya University Research Session PURSE -2009, Proceeding and Abstracts, Vol.14,3rd December, 2009, University of Peradeniya, PP. 608https://ir.lib.pdn.ac.lk/handle/20.500.14444/967en-USITMathematics and StatisticseLearningStudentsStaffFaculty of dental sciencesArticle