00361nam a22001577a 4500 0219 ENG 954.93 G.P.H.S.De Silva A Statistical survey of Elections Colombo Marga Institute 1979 439 57 57 0219 BK 0219 2025-02-04 0 SLIB SLIB 0 0 2025-02-04 0 Marga Institute 0 0220 BK 0220 2025-02-04 0 SLIB SLIB 0 0 2025-02-04 0 Central bank of Srilanka 0