Hol,Atlas ව්යාපාර අධ්යයනය 1-11 - Atlas Hol Publishers Colombo 10 - 1 - 2023-11-01 ISBN: 978-955-689-055-6 Nat. Bib. No.: 0004697 Nat. Bib. Agency Control No.: HOL Universal Decimal Class. No.: 658.007