ALI NASSIF, Mohsen. Compared to the results of international referees and first-class tests Cooper football referees. Journal of Physical Education, Baghdasd, Iraq., v. 24, n. 3, p. 45, 2012. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1742.. Acesso em: 12 may. 2024.