Silva,Chandana De Information & Communication Technology Part-1 G.C.E O/L Grade 10 & 11 - Sadeepa Publishers Maradana Road 2008 - 222p 1 - 2023-10-24 ISBN: 978-955-661-417-6 Nat. Bib. No.: 0003747 Nat. Bib. Agency Control No.: SIL Universal Decimal Class. No.: 230