Energy Efficiency Study, Comparing, Commercial Grade Propane/Butane Blend; Refrigerant Grade Propane and Chlorodifluoromethane (CHClF2), Investigated in a Psychrometric Chamber. JEST [Internet]. 2018 Nov. 25 [cited 2026 Jul. 22];1(2). Available from: https://jest.utm.my/index.php/jest/article/view/17