Department of Labour මූලික කාර්යාල කාර්ය පටිපාටිය - Department Of Labour Colombo 2005 - 20p. - Office management File Management Staff Discipline Sri Lanka ISBN: 955-8419-11-7 Nat. Bib. No.: P 3151 Nat. Bib. Agency Control No.: 651 (548.7) MUL Subjects--Topical Terms: Management Universal Decimal Class. No.: 651 (548.7)