HOROSZKIEWICZ, Krzysztof, ZAŁĘSKI, Grzegorz and HOROSZKIEWICZ, Bartosz. E-sport related intrinsic and extrinsic motivation in practice. Initial psychometric properties of the “E-sport and ME” questionnaire. Journal of Education, Health and Sport. Online. 10 December 2022. Vol. 13, no. 2, pp. 43-54. [Accessed 19 August 2024]. DOI 10.12775/JEHS.2023.13.02.006.