Damayanti, Y., Hadisoemarto, P.F. and Defi, I.R. 2018. Flatfoot decreases school functioning among children < 11 years of age. Universa Medicina. 37, 1 (Apr. 2018), 50–56. DOI:https://doi.org/10.18051/UnivMed.2018.v37.50-56.