GRABOWSKI, Artur. Risk in the activities of football companies on the example of Olympique Lyonnais and GKS Katowice . Journal of Education, Health and Sport. Online. 23 May 2022. Vol. 12, no. 5, pp. 273-283. [Accessed 27 July 2024]. DOI 10.12775/JEHS.2022.12.05.021.