ALDHAMAD, A. A.; HASSAN HASOON, F. Effect of Positive Progressive Relaxation and Different-Altitude Manufactured Barriers in Reducing Exam Anxiety at Crossing Barrier and Performance Time in 100 Barriers Effectiveness. Journal of Studies and Researches of Sport Education, [S. l.], v. 35, n. 2, p. 633–647, 2025. DOI: 10.55998/jsrse.v35i2.1063. Disponível em: https://www.jsrse.edu.iq/index.php/home/article/view/1063. Acesso em: 19 nov. 2025.