http://ar.lib.seu.ac.lk/handle/123456789/1973 Tue, 21 Apr 2026 19:07:33 GMT 2026-04-21T19:07:33Z http://ar.lib.seu.ac.lk/handle/123456789/1975 Title: ceeviya sarithirak kummi(007200) Authors: Author Abstract: this is the abstract Description: pages http://ar.lib.seu.ac.lk/handle/123456789/1975