Asimov,Clarke Bradbury පරපෝෂිතයා Parasite - Prathiba Publishers Wattala 2019 - 232p 1 - 2023-11-16 Prathibath Mirihagalla ISBN: 978-955-1596-96-5 Nat. Bib. No.: 00009281 Nat. Bib. Agency Control No.: ASI Universal Decimal Class. No.: 891.483