Dinh, Van Thanh, Duc Binh Vu, Thi Thu Huong Truong, Khac Minh Nguyen, and Thanh Tu Nguyen. “Optimal Design of a Two-Stage Helical Gear Reducer With Split Output Stage: A Multi-Objective Approach Based on NSGA-II and TOPSIS”. Engineering, Technology & Applied Science Research 15, no. 4 (August 2, 2025): 25993–26000. Accessed April 29, 2026. https://etasr.com/index.php/ETASR/article/view/11634.