Іващенко, О., А. Коптенков, and Д. Прокопенков. “Factor Model of Motor and Functional Readiness of Girls Aged 15-16 Years”. Teorìâ Ta Metodika Fìzičnogo Vihovannâ, no. 3, Sept. 2015, pp. 3-16, doi:https://doi.org/10.17309/tmfv.2015.3.1143.