Palihawadana,Ashoka Mahendra දක්ෂ කථකයෙකු වන මඟ The Quick and Effective way to Speaking - Shiksha Mandira Publishers 2004 - 191p 1 - 2023-10-24 ISBN: 978-955-9008-78-1 Nat. Bib. No.: 0003136 Nat. Bib. Agency Control No.: PAL Universal Decimal Class. No.: 150