http://ir.lib.ruh.ac.lk/handle/iruor/6127 Mon, 06 Apr 2026 19:19:21 GMT 2026-04-06T19:19:21Z http://ir.lib.ruh.ac.lk/handle/iruor/12203 PHY2114 : Physics Science Sat, 01 Jan 2022 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/12203 2022-01-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/6172 PHY2114 : Physics Science Fri, 01 Nov 2019 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/6172 2019-11-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/6171 PHY2114 : Physics Science Sat, 01 Sep 2018 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/6171 2018-09-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/6170 PHY2114 : Physics Science Tue, 01 Aug 2017 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/6170 2017-08-01T00:00:00Z