KARUNATILAKE, H.N.S. The variable reserve ratio as an instrument of central bank policy /[by] H.N.S.Karunatilake - Colombo Central bank of ceylon 1963 - vi, 231 p.- - Central bank of ceylon research series . ISBN: 89195 Subjects--Topical Terms: Bank Dewey Class. No.: 332.11 / KAR