R. Muliawan, S. Septyansah, N. Khakim, B. YP, M. . Falahuddin F, and I. Azmy, “THE EFFECT OF VARIATIONS SPEED OF THE CONDENSER FAN WITH CONTROL FREQUENCY INVERTER ON THE ICE SLUSH MACHINE APPLICATION”, AUSTENIT, vol. 14, no. 2, pp. 86–94, Oct. 2022.