Sumeru, Kasni, Shodiya Sulaimon, Farid Nasir Ani, and Henry Nasution. 2013. “Numerical Study of an Ejector As an Expansion Device in Split-Type Air Conditioners for Energy Savings”. Journal of Engineering and Technological Sciences 45 (2):179-92. https://doi.org/10.5614/j.eng.technol.sci.2013.45.2.6.