BET Level IV - Semester II http://ir.lib.ruh.ac.lk/handle/iruor/6927 2026-06-13T09:14:39Z ENT4252 - Refrigeration and Air Conditioning http://ir.lib.ruh.ac.lk/handle/iruor/21151 ENT4252 - Refrigeration and Air Conditioning; Department of, Engineering Technology; 2025-11-01T00:00:00Z ENT4243 - Nanotechnology http://ir.lib.ruh.ac.lk/handle/iruor/21149 ENT4243 - Nanotechnology Department of, Engineering Technology 2025-11-01T00:00:00Z ENT4232 - Fluid Dynamics and Machinery http://ir.lib.ruh.ac.lk/handle/iruor/21148 ENT4232 - Fluid Dynamics and Machinery Department of, Engineering Technology 2025-11-01T00:00:00Z ENT4223 - Power Electronic and Applications http://ir.lib.ruh.ac.lk/handle/iruor/21147 ENT4223 - Power Electronic and Applications Department of, Engineering Technology 2025-11-01T00:00:00Z