Іващенко, О., and О. Макарова. “Comparative Description of Motive Preparedness of Schoolchildren Is 8—9 Classes”. Teorìâ Ta Metodika Fìzičnogo Vihovannâ, no. 1, Mar. 2013, pp. 40-46, doi:https://doi.org/10.17309/tmfv.2013.1.1009.