Damitri, N., Soekardi, C., Prasetyo, B.T., Sarwono, S., Kafi’uddin, K., Suwono, A., Pasek, A.D. and Tandian, N.P. 2017. Performance Comparison of CFC12, HCR12 and HCR12+LFS as Refrigerants. Mesin. 14, 2 (May 2017), 22-27.