Isaac Asimov නව පදනම Foundation - S&Tgroup Thalangama 2019 - 223p 1 - 2023-10-12 S.M.Bandusila ISBN: 978-955-1080-39-6 Nat. Bib. No.: 0008748 Nat. Bib. Agency Control No.: ASI Universal Decimal Class. No.: 891.483