Darsin, M., Mauludy, R. R., Hardiatama, I., Fachri, B. A., Ramadhan, M. E., & Parningotan, D. (2022). Analysis of the effect 3D printing parameters on tensile strength using Copper-PLA filament. SINERGI, 26(1), 99–106. https://doi.org/10.22441/sinergi.2022.1.013