http://ir.lib.ruh.ac.lk/handle/iruor/17187 Mon, 06 Apr 2026 20:41:14 GMT 2026-04-06T20:41:14Z http://ir.lib.ruh.ac.lk/handle/iruor/17196 ZOO 4023 : Parasitology Sci Tue, 01 Nov 2022 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/17196 2022-11-01T00:00:00Z