http://ir.lib.ruh.ac.lk/handle/iruor/7077 Sun, 05 Apr 2026 23:10:58 GMT 2026-04-05T23:10:58Z http://ir.lib.ruh.ac.lk/handle/iruor/20049 ENT4142 - Machine Design Department of Engineering Technology Sun, 01 Jun 2025 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/20049 2025-06-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/18846 ENT4142 - Machine Design Department of Engineering Technology Wed, 01 May 2024 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/18846 2024-05-01T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/14205 ENT4142 - Machine Design Department of Engineering Technology Sat, 01 Jul 2023 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/14205 2023-07-01T00:00:00Z