Suprayogi, D., and C. T. M. . Ningsih. “Differences in Walking Speed of SACH Foot And Single Axis Foot in Transtibial Prosthesis User”. Journal of Prosthetics Orthotics and Science Technology, vol. 3, no. 2, Nov. 2024, pp. 53-59, doi:10.36082/jpost.v3i2.1861.