Dinh, Van Thanh, Duc Binh Vu, Manh Cuong Nguyen, Thi Thu Huong Truong, and Quoc Tuan Nguyen. 2024. “Determining the Best Design Factors of a Two-Stage Helical Gearbox With Two Gear Sets in the First Stage to Increase Efficiency and Reduce Volume Using the SAW Method”. Engineering, Technology & Applied Science Research 14 (6). Greece:18616-22. https://doi.org/10.48084/etasr.9009.