Department of Physical Sciences http://repo.lib.sab.ac.lk:8080/xmlui/handle/susl/3040 2026-04-21T04:23:44Z 2026-04-21T04:23:44Z PUBLISHING PROJECT Manathunga, Lakmal Perera, G. K. P. Wijesiri, S. P. A. Prasanna http://repo.lib.sab.ac.lk:8080/xmlui/handle/susl/3041 2022-12-06T05:37:31Z 2000-01-01T00:00:00Z PUBLISHING PROJECT Manathunga, Lakmal; Perera, G. K. P.; Wijesiri, S. P. A. Prasanna 2000-01-01T00:00:00Z