Ahmed Al-Ashrafi, R., and R. Abdul Qadir Al-Qassab. “Evaluation of the Functions of the Presidents of Referees Committees in the Football Sub-Associations from the Point of View of the Working Referees”. Al-Rafidain Journal For Sport Sciences, vol. 23, no. 72, Oct. 2020, pp. 141-64, doi:10.33899/rjss.2020.167143.