Authors
S. M. M. Lakmali
Postgraduate Institute of Science, University of Peradeniya, Peradeniya, Sri Lanka
L. S. Nawarathna
Department of Statistics and Computer Science, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka
P. Wijekoon
Department of Statistics and Computer Science, University of Peradeniya, Peradeniya, Sri Lanka