Quang, N.H., Linh, N.H., Huy, T.Q., Lam, P.D., Tuan, N.A., Ngoc, N.D., Hung, L.X. and Pi, V.N. 2022. Optimizing the partial gear ratios of the two-stage worm gearbox for minimizing total gearbox cost. Eastern-European Journal of Enterprise Technologies. 1, 1 (115) (Feb. 2022), 6–15. DOI:https://doi.org/10.15587/1729-4061.2022.252301.