Setyawan, D., A. E. Septiani, and K. I. Y. Sari. “Comparison of Rigid and Flexible Medial Arch Supports on Walking Speed in Flat-Footed Patients”. Journal of Prosthetics Orthotics and Science Technology, vol. 2, no. 1, Mar. 2023, pp. 6-10, doi:10.36082/jpost.v2i1.957.