Pinthu, Suneth J.L ආවුද හා උපකරණ Tools & Equipment - Author Publisher Wennappuwa 2008 - 78p 1 - 2023-11-21 ISBN: 978-955-50983-0-4 Nat. Bib. No.: 0004380 Nat. Bib. Agency Control No.: PIN Universal Decimal Class. No.: 627