De Silva, M.A.P.2010-07-062010-07-062006Journal of the National Science Foundation of Sri Lanka, 34(2):p.103-105https://dl.nsf.gov.lk/handle/1/6694Time series modelRainfall dataRunoff ratioRiver basinSARIMA modelPartial Auto Correlation Function - PACFAuto Correlation Function - ACFStatisticsA time series model to predict the runoff ratio of catchments of the Kaluganga basinArticle