Abedheera, Nilmini සංඛ්යානය = sankyaanaya : a.po.sa.(u.peLa) sanyuktha gaNithaya- nava nirdeeSHayata anukuulava - Colombo: Godage, 2009. - 340p.; 21cm ISBN: 978-955-30-0176-4 Subjects--Topical Terms: StatisticsApplied Mathematics Dewey Class. No.: 519.5 / ABE