GRYGUS, Igor and NAHORNA, Olga. Analysis of the application of the qi-disability questionnaire to study the quality of life of children with disabilities. Journal of Education, Health and Sport. Online. 31 October 2022. Vol. 12, no. 10, pp. 409-421. [Accessed 27 January 2025]. DOI 10.12775/JEHS.2022.12.10.047.