DINH, Van Thanh; LE, Thu Quy; DO, Thi Tam; VU, Ngoc Pi; TRAN, Thi Phuong Thao. Multi-Objective Optimization of Material Removal Rate and Surface Roughness in Ultrasonic Vibration-Assisted EDM Using NSGA-II, GPR, and AHP. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 4, p. 24977–24984, 2025. DOI: 10.48084/etasr.11380. Disponível em: https://mail.etasr.com/index.php/ETASR/article/view/11380. Acesso em: 30 may. 2026.