http://ir.lib.ruh.ac.lk/handle/iruor/6120 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/12202 PHY 2112 : Physics Science Tue, 01 Feb 2022 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/12202 2022-02-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/6179 PHY2214 : Physics Science Tue, 01 Sep 2020 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/6179 2020-09-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/6178 PHY2214 : Physics Science Fri, 01 Mar 2019 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/6178 2019-03-01T00:00:00Z