Salih Al-Hamdooni, Yousif, and Nagham Khalid Al-khfaf. “Developing a Self-Protection Measure for Referees in Some Team Sports”. Al-Rafidain Journal For Sport Sciences 27, no. 85 (October 1, 2024): 530–547. Accessed October 2, 2025. https://rsprs.uomosul.edu.iq/index.php/rsprs/article/view/50502.