http://ir.lib.ruh.ac.lk/handle/iruor/7059 Mon, 06 Apr 2026 22:10:32 GMT 2026-04-06T22:10:32Z http://ir.lib.ruh.ac.lk/handle/iruor/19996 TMS2112 - Basic Environmental Science Department of Engineering Technology Sun, 01 Jun 2025 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/19996 2025-06-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/18836 TMS2112 - Basic Environmental Science Department of Engineering Technology Mon, 01 Jul 2024 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/18836 2024-07-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/14246 TMS2112-Basic Environmental Science Department of Engineering Technology Thu, 01 Jun 2023 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/14246 2023-06-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/1379 TMS2112 - Basic Environmental Sciences Department of Engineering Technology Fri, 01 Nov 2019 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/1379 2019-11-01T00:00:00Z