http://ir.lib.ruh.ac.lk/handle/iruor/7136 2026-04-05T23:11:29Z http://ir.lib.ruh.ac.lk/handle/iruor/16337 BST1232-Organic Chemistry Department of Biosystems Technology 2023-11-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/10263 BST 1232 - Organic Chemistry Department of Biosystems Technology 2022-11-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/1324 BST1232 - Organic Chemistry Department of Biosystems Technology 2020-09-01T00:00:00Z