http://ir.lib.ruh.ac.lk/handle/iruor/6135 Mon, 06 Apr 2026 22:10:27 GMT 2026-04-06T22:10:27Z http://ir.lib.ruh.ac.lk/handle/iruor/6198 PHY 4044 : Electromagnetic Theory Science Fri, 01 Oct 2021 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/6198 2021-10-01T00:00:00Z