Wijayawardhana , Harsha Numerations in the Sinhala Language සිංහල භාෂාවේ සංඛ්යංකනය - Strategic Publisher Colombo 2009 - 140p 1 - 2024-03-04 ISBN: 978-955-1199-05-0 Nat. Bib. No.: 0009582 Nat. Bib. Agency Control No.: WIJ Universal Decimal Class. No.: 330