ŁENTEK, Monika and ZDZIARSKI, Krzysztof. Assessment of the effectiveness of physiotherapy in children with cerebral palsy in the opinion of the parents. Journal of Education, Health and Sport. Online. 14 May 2022. Vol. 12, no. 7, pp. 59-78. [Accessed 19 January 2026]. DOI 10.12775/JEHS.2022.12.07.007.