Irwansyah, Dandi, Rita Sundari, Rini Anggraini, and Khuzaimah Arifin. 2023. “EFFECT OF SiO2 AND ZnO NANOPARTICLES TO INCREASE REFRIGERATION MACHINE PERFORMANCE”. International Journal of Innovation in Mechanical Engineering and Advanced Materials 5 (2). Jakarta, Indonesia:63-68. https://doi.org/10.22441/ijimeam.v5i2.21859.