RADZIEVSKIY, R.; PLISKO, V. Law enforcers recognition level emerging threats based on physical appearance and behavior signs the enemy. Physical Education of Students, [S. l.], v. 19, n. 1, p. 50–59, 2015. DOI: 10.15561/20755279.2015.0108. Disponível em: https://sportedu.org.ua/index.php/PES/article/view/143. Acesso em: 27 jul. 2026.