Kumala, Mira Saraswita, Damayanti Tinduh, and Dewi Poerwandari. “Comparison of Lower Extremities Physical Performance on Male Young Adult Athletes With Normal Foot and Flatfoot”. Surabaya Physical Medicine and Rehabilitation Journal 1, no. 1 (December 18, 2019): 6–13. Accessed November 24, 2024. https://e-journal.unair.ac.id/SPMRJ/article/view/16156.