Department of Zoology http://ir.lib.ruh.ac.lk/handle/iruor/6233 2026-04-06T19:19:50Z ZOO 4023 : Parasitology http://ir.lib.ruh.ac.lk/handle/iruor/17196 ZOO 4023 : Parasitology Sci 2022-11-01T00:00:00Z ZOO 4013 : Entomology http://ir.lib.ruh.ac.lk/handle/iruor/17195 ZOO 4013 : Entomology Sci 2022-11-01T00:00:00Z ZOO 3272 : Environmental Pollution and Toxicology http://ir.lib.ruh.ac.lk/handle/iruor/17168 ZOO 3272 : Environmental Pollution and Toxicology Sci 2023-02-01T00:00:00Z ZOO 3252 : Environmental Impact Assessment http://ir.lib.ruh.ac.lk/handle/iruor/17167 ZOO 3252 : Environmental Impact Assessment Sci 2023-11-01T00:00:00Z