00327 a2200109 4500020001500000082001700015100002400032245007700056260004400133300001600177650002400193 a955963870x a332.178bNAN aNanayakkara, V.N.D. aA tract on the automated clearing house of the central bank of sri lanka aNugegodabv.n.d.nanayakkarac1996g1996 a31p.c21cm. aFINANCIAL ECONOMICS