R.H.S.Crossman ආණ්ඩු ක්රම හා රටවැසියා Government And The Governed - Messrs Chatto & Windus London Sri lanka 1972 - 270p 1 - 2023-10-25 Nat. Bib. No.: 0007696 Nat. Bib. Agency Control No.: CRO Universal Decimal Class. No.: 320