Ananda, N.D., Laswati, H., Rejeki, P.S. and Suyoko, A. 2022. Normal Walking Speed According to Age and Gender in Preliminary Students in Surabaya. Surabaya Physical Medicine and Rehabilitation Journal. 4, 1 (Feb. 2022), 15–20. DOI:https://doi.org/10.20473/spmrj.v4i1.24186.