Ridwan, Firman, and Zuliantoni Zuliantoni. 2024. “The Effect of Aluminum Addition Ratio As Filling Material of PLA Toward PLA Filament Electrical Conductivity on 3D Printing Applications”. METAL: Jurnal Sistem Mekanik Dan Termal 8 (1):1-5. https://doi.org/10.25077/metal.8.1.1-5.2024.