Gasni, Dedison, Roihan Ashari, Hendri Yanda, and Nabil Hendardi. 2026. “Design and Testing of Twin-Disk Friction Torque Test Rig Using Quality Function Deployment and Function Analysis Methods Approach”. METAL: Jurnal Sistem Mekanik Dan Termal 10 (1):16-27. https://doi.org/10.25077/metal.10.1.16-27.2026.