ENT4252 Refrigeration & Air Conditioning http://ir.lib.ruh.ac.lk/handle/iruor/7085 Sun, 03 May 2026 13:07:02 GMT 2026-05-03T13:07:02Z ENT4252 - Refrigeration and Air Conditioning http://ir.lib.ruh.ac.lk/handle/iruor/19177 ENT4252 - Refrigeration and Air Conditioning Department of Engineering Technology Sun, 01 Dec 2024 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/19177 2024-12-01T00:00:00Z ENT 4252 - Refrigeration and Air Conditioning http://ir.lib.ruh.ac.lk/handle/iruor/16132 ENT 4252 - Refrigeration and Air Conditioning Department of Engineering Technology Fri, 01 Dec 2023 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/16132 2023-12-01T00:00:00Z