Vu, D.B. et al. 2026. A Multi-Objective Optimization and Sensitivity-Driven Decision Framework for Split-Output Two-Stage Helical Gearboxes Using NSGA-II and MCDM Methods. Engineering, Technology & Applied Science Research. 16, 1 (Feb. 2026), 30984–30990. DOI:https://doi.org/10.48084/etasr.14407.