Dinh VT, Le TQ, Do TT, Vu NP, Tran TPT. Multi-Objective Optimization of Material Removal Rate and Surface Roughness in Ultrasonic Vibration-Assisted EDM Using NSGA-II, GPR, and AHP. Eng. Technol. Appl. Sci. Res. [Internet]. 2025 Aug. 2 [cited 2026 Jun. 30];15(4):24977-84. Available from: https://etasr.com/index.php/ETASR/article/view/11380