Department of Physical Sciences http://repo.lib.sab.ac.lk:8080/xmlui/handle/susl/3040 Tue, 21 Apr 2026 04:30:38 GMT 2026-04-21T04:30:38Z PUBLISHING PROJECT http://repo.lib.sab.ac.lk:8080/xmlui/handle/susl/3041 PUBLISHING PROJECT Manathunga, Lakmal; Perera, G. K. P.; Wijesiri, S. P. A. Prasanna Sat, 01 Jan 2000 00:00:00 GMT http://repo.lib.sab.ac.lk:8080/xmlui/handle/susl/3041 2000-01-01T00:00:00Z