DOBOSIEWICZ, Anna Maria, KWIATKOWSKI, Szymon, MIĘTKOWSKA, Paulina, MARSZAŁEK, Agnieszka and WENDLAND, Sylwia. Motor skills problems in Parkinson Disease. Journal of Education, Health and Sport. Online. 31 May 2017. Vol. 7, no. 5, pp. 470-485. [Accessed 7 July 2025].