Nowak, Michał. “Analysis of Results of Survey on Disciplinary Liability for Use of Athletes and Methods Prohibited from the Perspective of Contemporary Challenges of Sport”. Journal of Education, Health and Sport 7, no. 5 (May 30, 2017): 887–904. Accessed June 19, 2024. https://apcz.umk.pl/JEHS/article/view/5094.