Publications,Atlas Hall G.C.E Adv.Level Examination (English Medium)Physics 1-2 - Atlas Hall Publishers Colombo 10 - 1 - 2023-11-27 ISBN: 978-955-689-075-4 Nat. Bib. No.: 0006906 Nat. Bib. Agency Control No.: PUB Universal Decimal Class. No.: pp2018