Quang, N. H., N. H. Linh, T. Q. Huy, P. D. Lam, N. A. Tuan, N. D. Ngoc, L. X. Hung, and V. N. Pi. “Optimizing the Partial Gear Ratios of the Two-Stage Worm Gearbox for Minimizing Total Gearbox Cost”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 1 (115), Feb. 2022, pp. 6-15, doi:10.15587/1729-4061.2022.252301.