LIU, Tianzhuo; TIAN, Ying. Analysis of Security Risks and Countermeasures in Olympic Games: Lessons from Beijing, London, and Rio. Trends in Physical Education and Sport, [S. l.], v. 2, n. 1 (3), p. 4–13, 2026. DOI: 10.31489/3081-0531/2026-2-1-3/4-13. Disponível em: https://tpes.buketov.edu.kz/physical-education-trends/article/view/1135. Acesso em: 12 nov. 2026.